done

.idea/compiler.xml

@@ -10,7 +10,7 @@
       </profile>
     </annotationProcessing>
     <bytecodeTargetLevel>
-      <module name="arraz" target="1.5" />
+      <module name="arraz" target="7" />
     </bytecodeTargetLevel>
   </component>
 </project>

.idea/misc.xml

@@ -7,4 +7,5 @@
       </list>
     </option>
   </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="1.8" project-jdk-type="JavaSDK" />
 </project>

.idea/uiDesigner.xml

@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.png" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>

.idea/workspace.xml

@@ -2,58 +2,105 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="3455511b-a100-4bbd-b07c-68f009bc8dbc" name="Default" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
-      <change beforePath="$PROJECT_DIR$/README.md" afterPath="$PROJECT_DIR$/README.md" />
+      <change afterPath="$PROJECT_DIR$/arraz/src/main/java/MaxMin.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/arraz/src/main/java/OddEven.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/compiler.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/compiler.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/arraz/arraz.iml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/arraz/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/arraz/pom.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/arraz/src/main/java/Arraz.java" beforeDir="false" afterPath="$PROJECT_DIR$/arraz/src/main/java/Arraz.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/arraz/target/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="TRACKING_ENABLED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
+  <component name="CoverageDataManager">
+    <SUITE FILE_PATH="coverage/ArraysGoneWild$ArrazTest_test2RemoveDupesFromArray.ic" NAME="ArrazTest.test2RemoveDupesFromArray Coverage Results" MODIFIED="1544413792903" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="idea" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" />
+  </component>
+  <component name="CoverageViewManager">
+    <option name="myElementSize" value="201" />
+  </component>
+  <component name="FUSProjectUsageTrigger">
+    <session id="-1157087370">
+      <usages-collector id="statistics.lifecycle.project">
+        <counts>
+          <entry key="project.closed" value="7" />
+          <entry key="project.open.time.1" value="1" />
+          <entry key="project.open.time.18" value="1" />
+          <entry key="project.open.time.2" value="1" />
+          <entry key="project.open.time.4" value="2" />
+          <entry key="project.open.time.8" value="2" />
+          <entry key="project.open.time.9" value="1" />
+          <entry key="project.opened" value="8" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.open">
+        <counts>
+          <entry key="class" value="3" />
+          <entry key="iml" value="1" />
+          <entry key="java" value="12" />
+          <entry key="md" value="6" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.open">
+        <counts>
+          <entry key="CLASS" value="3" />
+          <entry key="IDEA_MODULE" value="1" />
+          <entry key="JAVA" value="12" />
+          <entry key="Markdown" value="6" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.edit">
+        <counts>
+          <entry key="java" value="10455" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.edit">
+        <counts>
+          <entry key="JAVA" value="10455" />
+        </counts>
+      </usages-collector>
+    </session>
+  </component>
+  <component name="FavoritesManager">
+    <favorites_list name="ArraysGoneWild" />
+  </component>
   <component name="FileEditorManager">
-    <leaf SIDE_TABS_SIZE_LIMIT_KEY="375">
-      <file leaf-file-name="pom.xml" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/arraz/pom.xml">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="0">
-              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-              <folding />
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/README.md">
+          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+            <state split_layout="SECOND">
+              <first_editor relative-caret-position="270">
+                <caret line="18" selection-start-line="18" selection-end-line="18" />
+              </first_editor>
+              <second_editor />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="Arraz.java" pinned="false" current-in-tab="false">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="0">
-              <caret line="0" column="15" lean-forward="false" selection-start-line="0" selection-start-column="15" selection-end-line="0" selection-end-column="15" />
-              <folding />
+            <state relative-caret-position="596">
+              <caret line="467" lean-forward="true" selection-start-line="467" selection-end-line="467" />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="ArrazTest.java" pinned="false" current-in-tab="false">
+      <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="34">
-              <caret line="2" column="23" lean-forward="false" selection-start-line="2" selection-start-column="23" selection-end-line="2" selection-end-column="23" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="README.md" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/README.md">
-          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-            <state split_layout="SPLIT">
-              <first_editor relative-caret-position="306">
-                <caret line="18" column="0" lean-forward="true" selection-start-line="18" selection-start-column="0" selection-end-line="18" selection-end-column="0" />
-                <folding />
-              </first_editor>
-              <second_editor />
+            <state relative-caret-position="10020">
+              <caret line="668" column="4" selection-start-line="668" selection-start-column="4" selection-end-line="668" selection-end-column="4" />
+              <folding>
+                <element signature="imports" expanded="true" />
+              </folding>
             </state>
           </provider>
         </entry>
@@ -63,8 +110,8 @@
   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
       <list>
-        <option value="Class" />
         <option value="JUnit4 Test Class" />
+        <option value="Class" />
       </list>
     </option>
   </component>
@@ -72,9 +119,6 @@
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
   <component name="GradleLocalSettings">
-    <option name="externalProjectsViewState">
-      <projects_view />
-    </option>
     <option name="projectSyncType">
       <map>
         <entry key="$USER_HOME$/GitHub/gs-gradle/initial" value="PREVIEW" />
@@ -84,8 +128,13 @@
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
-        <option value="$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java" />
         <option value="$PROJECT_DIR$/README.md" />
+        <option value="$PROJECT_DIR$/arraz/src/main/java/OddEven.java" />
+        <option value="$PROJECT_DIR$/arraz/src/main/java/MaxMin/MaxMin.java" />
+        <option value="$PROJECT_DIR$/arraz/src/test/java/CollectionTest.java" />
+        <option value="$PROJECT_DIR$/arraz/src/main/java/Collectionexample.java" />
+        <option value="$PROJECT_DIR$/arraz/src/main/java/Arraz.java" />
+        <option value="$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java" />
       </list>
     </option>
   </component>
@@ -102,27 +151,17 @@
       </MavenImportingSettings>
     </option>
   </component>
-  <component name="ProjectFrameBounds">
-    <option name="x" value="242" />
-    <option name="y" value="45" />
-    <option name="width" value="1538" />
-    <option name="height" value="962" />
+  <component name="ProjectFrameBounds" fullScreen="true">
+    <option name="y" value="23" />
+    <option name="width" value="1440" />
+    <option name="height" value="821" />
   </component>
   <component name="ProjectView">
-    <navigator currentView="ProjectPane" proportions="" version="1">
-      <flattenPackages />
-      <showMembers />
-      <showModules />
-      <showLibraryContents />
-      <hideEmptyPackages />
-      <abbreviatePackageNames />
-      <autoscrollToSource />
-      <autoscrollFromSource />
-      <sortByType />
-      <manualOrder />
+    <navigator proportions="" version="1">
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
+      <pane id="PackagesPane" />
       <pane id="ProjectPane">
         <subPane>
           <expand>
@@ -151,35 +190,63 @@
             <path>
               <item name="ArraysGoneWild" type="b2602c69:ProjectViewProjectNode" />
               <item name="ArraysGoneWild" type="462c0819:PsiDirectoryNode" />
+              <item name="arraz" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="ArraysGoneWild" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ArraysGoneWild" type="462c0819:PsiDirectoryNode" />
+              <item name="arraz" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="ArraysGoneWild" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ArraysGoneWild" type="462c0819:PsiDirectoryNode" />
+              <item name="arraz" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="ArraysGoneWild" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ArraysGoneWild" type="462c0819:PsiDirectoryNode" />
               <item name="DocumentationOnArrays" type="462c0819:PsiDirectoryNode" />
             </path>
           </expand>
           <select />
         </subPane>
       </pane>
-      <pane id="Scratches" />
-      <pane id="PackagesPane" />
-      <pane id="AndroidView" />
       <pane id="Scope" />
     </panes>
   </component>
   <component name="PropertiesComponent">
-    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
-    <property name="settings.editor.selected.configurable" value="configurable.group.appearance" />
+    <property name="GO_FMT" value="false" />
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="aspect.path.notification.shown" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
-    <property name="jdk.selected.JAVA_MODULE" value="1.8" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1544418448048" />
     <property name="com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrary" value="JUnit4" />
-    <property name="GO_FMT" value="false" />
+    <property name="jdk.selected.JAVA_MODULE" value="1.8" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
+    <property name="settings.editor.selected.configurable" value="preferences.lookFeel" />
   </component>
   <component name="RecentsManager">
     <key name="CreateTestDialog.RecentsKey">
       <recent name="" />
     </key>
+    <key name="MoveClassesOrPackagesDialog.RECENTS_KEY">
+      <recent name="" />
+    </key>
     <key name="CreateTestDialog.Recents.Supers">
       <recent name="" />
     </key>
+    <key name="CreateClassDialog.RecentsKey">
+      <recent name="MaxMin" />
+      <recent name="" />
+    </key>
   </component>
   <component name="RunDashboard">
     <option name="ruleStates">
@@ -193,90 +260,111 @@
       </list>
     </option>
   </component>
-  <component name="RunManager">
+  <component name="RunManager" selected="JUnit.ArrazTest">
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-          <folding />
-        </state>
-      </provider>
+    <entry file="file://$PROJECT_DIR$/arraz/arraz.iml">
+      <provider selected="true" editor-type-id="text-editor" />
     </entry>
-    <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
+    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/OddEven.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="34">
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-            <folding />
-          </first_editor>
-          <second_editor />
+        <state relative-caret-position="225">
+          <caret line="16" column="21" selection-start-line="16" selection-start-column="21" selection-end-line="16" selection-end-column="21" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/arraz/pom.xml">
+    <entry file="file://$PROJECT_DIR$/arraz/src/test/java/CollectionTest.java" />
+    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Collectionexample.java" />
+    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/MaxMin.java">
       <provider selected="true" editor-type-id="text-editor">
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-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
+        <state>
+          <caret column="13" selection-start-column="13" selection-end-column="13" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
+    <entry file="jar://$MAVEN_REPOSITORY$/junit/junit/4.0/junit-4.0.jar!/org/junit/Assert.class">
       <provider selected="true" editor-type-id="text-editor">
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-          <caret line="2" column="23" lean-forward="false" selection-start-line="2" selection-start-column="23" selection-end-line="2" selection-end-column="23" />
-          <folding />
+        <state relative-caret-position="518">
+          <caret line="60" selection-start-line="60" selection-end-line="60" />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/README.md">
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-            <caret line="73" column="0" lean-forward="true" selection-start-line="73" selection-start-column="0" selection-end-line="73" selection-end-column="0" />
-            <folding />
+        <state split_layout="SECOND">
+          <first_editor relative-caret-position="270">
+            <caret line="18" selection-start-line="18" selection-end-line="18" />
           </first_editor>
           <second_editor />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/arraz/pom.xml">
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     <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
       <provider selected="true" editor-type-id="text-editor">
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-          <caret line="0" column="15" lean-forward="false" selection-start-line="0" selection-start-column="15" selection-end-line="0" selection-end-column="15" />
-          <folding />
+        <state relative-caret-position="596">
+          <caret line="467" lean-forward="true" selection-start-line="467" selection-end-line="467" />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
       <provider selected="true" editor-type-id="text-editor">
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-      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-        <state split_layout="SPLIT">
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-            <folding />
-          </first_editor>
-          <second_editor />
+        <state relative-caret-position="10020">
+          <caret line="668" column="4" selection-start-line="668" selection-start-column="4" selection-end-line="668" selection-end-column="4" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>

arraz/.idea/compiler.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="arraz" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>

arraz/.idea/misc.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

arraz/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>

arraz/.idea/workspace.xml

@@ -0,0 +1,299 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="2f050b8c-aa8e-49d7-95bf-21bb02f49518" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/arraz.iml" beforeDir="false" />
+    </list>
+    <ignored path="$PROJECT_DIR$/target/" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FUSProjectUsageTrigger">
+    <session id="1651867385">
+      <usages-collector id="statistics.lifecycle.project">
+        <counts>
+          <entry key="project.closed" value="1" />
+          <entry key="project.open.time.4" value="1" />
+          <entry key="project.opened" value="1" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.open">
+        <counts>
+          <entry key="java" value="2" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.open">
+        <counts>
+          <entry key="JAVA" value="2" />
+        </counts>
+      </usages-collector>
+    </session>
+  </component>
+  <component name="FileEditorManager">
+    <leaf>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/test/java/ArrazTest.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="30">
+              <caret line="2" column="13" selection-start-line="2" selection-start-column="13" selection-end-line="2" selection-end-column="13" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/src/main/java/Arraz.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state>
+              <caret column="13" selection-start-column="13" selection-end-column="13" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/.." />
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="ProjectFrameBounds">
+    <option name="y" value="23" />
+    <option name="width" value="1440" />
+    <option name="height" value="821" />
+  </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="Scope" />
+      <pane id="PackagesPane" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="arraz" type="b2602c69:ProjectViewProjectNode" />
+              <item name="arraz" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="arraz" type="b2602c69:ProjectViewProjectNode" />
+              <item name="arraz" type="462c0819:PsiDirectoryNode" />
+              <item name=".idea" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="arraz" type="b2602c69:ProjectViewProjectNode" />
+              <item name="arraz" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="arraz" type="b2602c69:ProjectViewProjectNode" />
+              <item name="arraz" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="arraz" type="b2602c69:ProjectViewProjectNode" />
+              <item name="arraz" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="arraz" type="b2602c69:ProjectViewProjectNode" />
+              <item name="arraz" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="arraz" type="b2602c69:ProjectViewProjectNode" />
+              <item name="arraz" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="aspect.path.notification.shown" value="true" />
+    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
+    <property name="nodejs_npm_path_reset_for_default_project" value="true" />
+    <property name="settings.editor.selected.configurable" value="preferences.lookFeel" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="RunManager">
+    <configuration default="true" type="tests" factoryName="Nosetests">
+      <option name="INTERPRETER_OPTIONS" value="" />
+      <option name="PARENT_ENVS" value="true" />
+      <option name="SDK_HOME" value="" />
+      <option name="WORKING_DIRECTORY" value="" />
+      <option name="IS_MODULE_SDK" value="false" />
+      <option name="ADD_CONTENT_ROOTS" value="true" />
+      <option name="ADD_SOURCE_ROOTS" value="true" />
+      <module name="" />
+      <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
+      <option name="_new_regexPattern" value="&quot;&quot;" />
+      <option name="_new_additionalArguments" value="&quot;&quot;" />
+      <option name="_new_target" value="&quot;&quot;" />
+      <option name="_new_targetType" value="&quot;PATH&quot;" />
+      <method v="2" />
+    </configuration>
+    <configuration default="true" type="tests" factoryName="Twisted Trial">
+      <option name="INTERPRETER_OPTIONS" value="" />
+      <option name="PARENT_ENVS" value="true" />
+      <option name="SDK_HOME" value="" />
+      <option name="WORKING_DIRECTORY" value="" />
+      <option name="IS_MODULE_SDK" value="false" />
+      <option name="ADD_CONTENT_ROOTS" value="true" />
+      <option name="ADD_SOURCE_ROOTS" value="true" />
+      <module name="" />
+      <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
+      <option name="_new_additionalArguments" value="&quot;&quot;" />
+      <option name="_new_target" value="&quot;&quot;" />
+      <option name="_new_targetType" value="&quot;PATH&quot;" />
+      <method v="2" />
+    </configuration>
+    <configuration default="true" type="tests" factoryName="Unittests">
+      <option name="INTERPRETER_OPTIONS" value="" />
+      <option name="PARENT_ENVS" value="true" />
+      <option name="SDK_HOME" value="" />
+      <option name="WORKING_DIRECTORY" value="" />
+      <option name="IS_MODULE_SDK" value="false" />
+      <option name="ADD_CONTENT_ROOTS" value="true" />
+      <option name="ADD_SOURCE_ROOTS" value="true" />
+      <module name="" />
+      <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
+      <option name="_new_additionalArguments" value="&quot;&quot;" />
+      <option name="_new_target" value="&quot;&quot;" />
+      <option name="_new_targetType" value="&quot;PATH&quot;" />
+      <method v="2" />
+    </configuration>
+    <configuration default="true" type="tests" factoryName="py.test">
+      <option name="INTERPRETER_OPTIONS" value="" />
+      <option name="PARENT_ENVS" value="true" />
+      <option name="SDK_HOME" value="" />
+      <option name="WORKING_DIRECTORY" value="" />
+      <option name="IS_MODULE_SDK" value="false" />
+      <option name="ADD_CONTENT_ROOTS" value="true" />
+      <option name="ADD_SOURCE_ROOTS" value="true" />
+      <module name="" />
+      <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
+      <option name="_new_keywords" value="&quot;&quot;" />
+      <option name="_new_additionalArguments" value="&quot;&quot;" />
+      <option name="_new_target" value="&quot;&quot;" />
+      <option name="_new_targetType" value="&quot;PATH&quot;" />
+      <method v="2" />
+    </configuration>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="2f050b8c-aa8e-49d7-95bf-21bb02f49518" name="Default Changelist" comment="" />
+      <created>1544153490716</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1544153490716</updated>
+      <workItem from="1544153493711" duration="45000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="45000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="0" y="23" width="1440" height="821" extended-state="0" />
+    <layout>
+      <window_info id="Image Layers" />
+      <window_info id="Designer" />
+      <window_info id="UI Designer" />
+      <window_info id="Capture Tool" />
+      <window_info id="Favorites" side_tool="true" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.24964234" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info anchor="bottom" id="Database Changes" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Version Control" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Terminal" />
+      <window_info anchor="bottom" id="Event Log" side_tool="true" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Find" order="1" />
+      <window_info anchor="bottom" id="Run" order="2" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info anchor="right" id="Palette" />
+      <window_info anchor="right" id="Theme Preview" />
+      <window_info anchor="right" id="Capture Analysis" />
+      <window_info anchor="right" id="Palette&#9;" />
+      <window_info anchor="right" id="SciView" />
+      <window_info anchor="right" id="Database" />
+      <window_info anchor="right" id="Maven Projects" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+    </layout>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/src/test/java/ArrazTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="30">
+          <caret line="2" column="13" selection-start-line="2" selection-start-column="13" selection-end-line="2" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/Arraz.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state>
+          <caret column="13" selection-start-column="13" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>

arraz/arraz.iml

@@ -1,15 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_5">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7">
     <output url="file://$MODULE_DIR$/target/classes" />
     <output-test url="file://$MODULE_DIR$/target/test-classes" />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/target" />
     </content>
-    <orderEntry type="jdk" jdkName="1.8" jdkType="JavaSDK" />
+    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Maven: junit:junit:4.0" level="project" />
   </component>

arraz/pom.xml

@@ -7,6 +7,18 @@
     <groupId>rocks.zipcode.arraysgonewild</groupId>
     <artifactId>arraz</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>7</source>
+                    <target>7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
     <dependencies>
         <dependency>
             <groupId>junit</groupId>

arraz/src/main/java/Arraz.java

@@ -1,2 +1,502 @@
+import java.util.*;
+
 public class Arraz {
+
+
+    public  int sumValuesOfArray(int[] inputArray) {
+
+        int sum=0;
+        for(int i=0;i<= inputArray.length-1;i++){
+            sum= sum+ inputArray[i];
+        }
+            return sum;
+    }
+
+
+    public  double sumDoublesOfArray(double[] inputArray) {
+
+        double sum=0;
+        for(int i=0;i<= inputArray.length-1;i++){
+            sum= (sum+ inputArray[i]);
+        }
+        return sum;
+    }
+
+
+    public  int averageOfArray(int[] inputArray) {
+
+        int sum=0;
+        for(int i=0;i<= inputArray.length-1;i++){
+            sum= sum+ inputArray[i];
+        }
+        return sum/2;
+    }
+
+
+    public  double doubleAverageOfArray(double[] inputArray) {
+
+        double sum=0;
+        for(int i=0;i<= inputArray.length-1;i++){
+            sum= (sum+ inputArray[i]);
+        }
+        return sum/2;
+    }
+
+    public  boolean contains(int[] inputArray,int containsValue ){
+        for(int i=0;i<=inputArray.length-1;i++){
+            if(inputArray[i]==containsValue){
+                return true;
+            }
+
+        }
+         return false;
+    }
+
+
+    public  Integer[] reverseArray(Integer[] intArray) {
+        Integer[] result = new Integer[intArray.length];
+        int index=0;
+        for(int i=intArray.length-1;i>=0;i--){
+            result[index] =intArray[i];
+            index++;
+
+        }
+        return result;
+    }
+
+
+    public  OddEven getOddEvensOfArray(int[] intArray){
+        int evenCount=0;
+        int oddCount=0;
+
+        for(int i=0;i<=intArray.length-1;i++){
+            if (intArray[i]%2==0){
+                evenCount++;
+            }
+            else {
+                oddCount++;
+            }
+        }
+       return new OddEven(oddCount,evenCount);
+    }
+
+    public  int findIndexOf(int[] inputArray, int value){
+
+        int result =0;
+        for(int i=0;i<inputArray.length;i++){
+            if(inputArray[i]== value){
+                result= i;
+            }
+
+        }
+        return result;
+    }
+
+    public  Integer[] copyarrayByLoop(Integer[] inputArray) {
+
+        Integer[] arr2=new Integer[inputArray.length];
+        for(int i=0;i<inputArray.length;i++){
+                arr2[i] = inputArray[i];
+            System.out.println(arr2[i]);
+        }
+        return arr2;
+    }
+
+    public  Integer[] copyArrayByInterator(Integer[] inputArray) {
+        Integer[] arr2=new Integer[inputArray.length];
+        List<Integer> list= new ArrayList<>(Arrays.asList(inputArray));
+
+        Iterator itr= list.iterator();
+        while(itr.hasNext()) {
+            itr.next();
+            System.out.println(itr.next());
+            list.add((Integer) itr.next());
+        }
+
+        return list.toArray(new Integer[0]);
+    }
+
+    public  Integer[] removeElementFromArray(Integer[] inputArray, int element){
+
+        List<Integer> list= new ArrayList<>();
+        for(Integer elem: inputArray){
+            if(elem != element){
+                list.add(elem);
+            }
+        }
+
+        return list.toArray(new Integer[0]);
+    }
+
+
+    public  int insertIntoArrayAt(Integer[] inputArray, int index,int value){
+
+        Integer[] result= new Integer[inputArray.length+1] ;
+        for(int i=0;i<inputArray.length;i++) {
+
+
+            if (i < index){
+                result[i] = inputArray[i];
+            }
+           else   if (i == index){
+                result[index] = value;
+
+            }
+           else   if (i > index)
+            {
+                result[i+1] = inputArray[i];
+
+            }
+        }
+              return  result[index];
+
+
+        }
+
+
+
+
+
+    public  MaxMin findMaxMinOfArray(int[] inputArray){
+
+        Arrays.sort(inputArray);
+
+        int maxNum=0;
+        int minNum=0;
+        for(int i=0;i <inputArray.length;i++){
+           minNum= inputArray[0];
+           maxNum=inputArray[inputArray.length-1];
+        }
+        return new MaxMin(maxNum,minNum);
+
+    }
+
+
+    public Integer[] sortArray(Integer[] inputArray){
+        int temp;
+        for(int i=0;i<inputArray.length;i++){
+            for(int j=i;j<inputArray.length;j++){
+                if(inputArray[i]>inputArray[j]) {
+                    temp = inputArray[i];
+                    inputArray[i] = inputArray[j];
+                    inputArray[j] = temp;
+                }
+            }
+        }
+        return inputArray;
+    }
+
+    public Integer[] removeDupesFromArray(Integer[] inputArray) {
+        sortArray(inputArray);
+
+        List<Integer>list= new ArrayList<>();
+       // Integer[] newArray= new Integer[0];
+            list.add(inputArray[0]);
+
+
+            for (int i = 1; i < inputArray.length; i++) {
+                if (inputArray[i] != (inputArray[i - 1])) {
+                    // newArray[i]= inputArray[i];
+                    list.add(inputArray[i]);
+                }
+            }
+
+        return list.toArray(new Integer[0]);
+
+
+    }
+
+
+    public Double find2ndLargestValueFromArray(Double[] inputArray) {
+        Double temp;
+        for(int i=0;i<inputArray.length;i++){
+            for(int j=i;j< inputArray.length;j++){
+                if(inputArray[i]>inputArray[j]){
+                    temp=inputArray[i];
+                    inputArray[i]= inputArray[j];
+                    inputArray[j]=temp;
+                }
+            }
+        }
+        return inputArray[inputArray.length-2];
+
+    }
+
+
+    public ArrayList<Integer> makeMeAnArrayListFromArray(Integer[] inputArray){
+
+            ArrayList<Integer> list= new ArrayList<>();
+            for(Integer list1: inputArray){
+                list.add(list1);
+
+            }
+
+        return list;
+    }
+
+
+    public Integer[] makeMeAnArrayFromArrayList(List<Integer> inputList){
+        Integer [] arr= new Integer[inputList.size()];
+        int index =0;
+        for (Integer elem:inputList) {
+
+            arr[index]=elem;
+            index =index+1;
+        }
+        return arr;
+    }
+
+
+    public String arrayToString(Integer[] inputarray){
+        String result="";
+        for (Integer elem:inputarray) {
+            result+= elem.toString();
+        }
+        return result;
+    }
+    public boolean check2ArraysForEqual(Integer[] input1, Integer[] input2){
+        if(input1.length== input2.length){
+
+            if(arrayToString(input1).equals(arrayToString(input2))){
+                return true;
+            }
+            else  return false;
+        }
+        else
+            return false;
+
+    }
+
+    public int averageArrayWithoutMaxMin(int[] inputArray){
+        MaxMin mn=findMaxMinOfArray(inputArray);
+        int max=mn.max;
+        int min=mn.min;
+        int sum=0;
+        for(int i=0;i<inputArray.length;i++){
+
+            if(inputArray[i]==max || inputArray[i]== min){
+                sum=sum+0;
+            }
+            else {
+                sum =sum+ inputArray[i];
+            }
+        }
+        return sum/inputArray.length;
+    }
+
+
+    public boolean arrayHas65and77(int[] inputArray){
+
+       boolean result = false;
+        for (int i=0;i<inputArray.length;i++) {
+            if(contains(inputArray,65) && contains(inputArray,77)) {
+                result= true;
+            }
+            else result =false;
+
+        }
+        return  result;
+    }
+
+    public boolean theTotalofTensIs30(int[] inputArray){
+        int sum=0;
+        boolean result= false;
+        for(Integer elem: inputArray) {
+            if (elem == 10) {
+                sum = sum + elem;
+
+            }
+        }
+                if(sum==30){
+                    result= true;
+                }
+                else result= false;
+
+
+
+        return result;
+    }
+
+
+    public String smallAndSecondSmall(int[] inputArray){
+
+        int temp;
+        for(int i=0;i<inputArray.length;i++){
+            for(int j=i;j< inputArray.length;j++){
+                if(inputArray[i]>inputArray[j]){
+                    temp=inputArray[i];
+                    inputArray[i]= inputArray[j];
+                    inputArray[j]=temp;
+                }
+            }
+        }
+
+
+        return "smallest: " + inputArray[0] + " second smallest: " + inputArray[1];
+    }
+
+
+
+    public Integer[] copyArray(Integer[] inputArray){
+        int index=0;
+
+        Integer[] arr= new Integer[inputArray.length];
+        for(Integer elem: inputArray){
+            arr[index]=elem;
+            index++;
+        }
+        return arr;
+    }
+
+    public Integer[] makeMeACopyPleaseAndReverse(Integer[] inputArray){
+
+        int index=0;
+
+        Integer[] arr= new Integer[inputArray.length];
+        for(Integer elem: inputArray){
+            arr[index]=elem;
+            index++;
+        }
+        Integer[] result = new Integer[arr.length];
+        int index1=0;
+        for(int i=arr.length-1;i>=0;i--){
+            result[index1] =arr[i];
+            index1=index1+1;
+
+        }
+        return result;
+
+//        copyArray(inputArray);
+//        reverseArray(inputArray);
+//        return inputArray;
+    }
+
+
+
+    public Integer[] removeLastItemAndCopy(Integer[] inputArray){
+        Integer[] arr= new Integer[inputArray.length-1];
+        for(int i=0;i<inputArray.length-1;i++){
+            arr[i]= inputArray[i];
+        }
+
+        return arr;
+    }
+
+
+    public Integer[] removeFirstItemAndCopy(Integer[] inputArray){
+        Integer[] arr= new Integer[(inputArray.length-1)];
+        for(int i=0;i<inputArray.length-1;i++){
+
+           arr[i]= inputArray[i+1];
+            System.out.println(arr[i]);
+        }
+
+        return arr;
+    }
+
+
+
+    public Integer[] insertAtStartAndCopy(Integer[] inputArray, int value){
+
+        Integer[] arr= new Integer[inputArray.length+1];
+        arr[0]= value;
+        for(int i=0;i<inputArray.length;i++){
+            arr[i+1]=inputArray[i];
+
+        }
+
+//        for(int j=0;j<arr.length;j++){
+//
+//        }
+        return arr;
+    }
+
+
+    public Integer[] insertAtEndAndCopy(Integer[] inputArray, int value){
+
+        Integer[] arr= new Integer[inputArray.length+1];
+        for(int i=0;i<inputArray.length;i++){
+            arr[i]=inputArray[i];
+
+        }
+        arr[arr.length-1]=value;
+
+        return arr;
+    }
+
+//    public void addElement(Integer[] inputArray, Integer element){
+//
+//
+//        List<Integer> list= new ArrayList<>(inputArray.length);
+//        list.add(element);
+//        list.toArray();
+//    }
+
+
+    public Integer[] sortArrayIntoEvensThenOdds(Integer[] inputArray){
+
+        List<Integer> evenlist= new ArrayList<>();
+        List<Integer> oddList= new ArrayList<>();
+        for(Integer elem: inputArray){
+            if(elem%2==0){
+                evenlist.add(elem);
+            }
+            else{
+                oddList.add(elem);
+
+            }
+        }
+        Integer[] even= evenlist.toArray( new Integer[0]);
+        Integer[] odd= oddList.toArray( new Integer[0]);
+        sortArray(even);
+        sortArray(odd);
+       // Integer[] resultArray= new Integer[inputArray.length];
+        List<Integer> resultList= new ArrayList<>();
+
+        for (Integer element :even) {
+            resultList.add(element);
+
+        }
+        for (Integer element :odd) {
+            resultList.add(element);
+
+        }
+
+        return resultList.toArray(new Integer[0]);
+    }
+
+
+
+
+
+
+
+    public  String[] findCommanItems(String[]arr1, String[]arr2){
+        List<String> result= new ArrayList<>();
+        for(int i=0;i<=arr1.length-1;i++){
+            for(int j=0;j<=arr2.length-1;j++){
+                if(arr1[i].equals(arr2[j])){
+                    result.add(arr1[i]);
+                }
+            }
+        }
+        return  result.toArray(new String[0]);
+    }
+
+
+//    public static String secondLargest(int[] num){
+//
+//        SortedSet<Integer> set= new SortedSet<Integer>(Arrays.asList(num)) ;
+//
+////        String result="";
+////        Arrays.sort(num);
+////
+////        for(int i=0;i<num.length;i++){
+////            if(num.length-1 <num.length){
+////                result= String.valueOf(num.length-1);
+////            }
+////        }
+////        return result;
+//
+//    }
 }

arraz/src/main/java/MaxMin.java

@@ -0,0 +1,36 @@
+public class MaxMin {
+
+    public int max;
+    public int min;
+
+    public MaxMin(int max, int min) {
+        this.max = max;
+        this.min = min;
+    }
+
+    public int getMax() {
+        return max;
+    }
+
+    public void setMax(int max) {
+        this.max = max;
+    }
+
+    public int getMin() {
+        return min;
+    }
+
+    public void setMin(int min) {
+        this.min = min;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        MaxMin maxMin = (MaxMin) o;
+        return max == maxMin.max &&
+                min == maxMin.min;
+    }
+
+}

arraz/src/main/java/OddEven.java

@@ -0,0 +1,31 @@
+import java.util.Objects;
+
+public class OddEven {
+    public int odds;
+    public int evens;
+
+    public OddEven(int odds, int evens) {
+        this.odds = odds;
+        this.evens = evens;
+    }
+
+    public int getOdds() {
+        return odds;
+    }
+
+    public int getEvens() {
+        return evens;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        OddEven oddEven = (OddEven) o;
+        return odds == oddEven.odds &&
+                evens == oddEven.evens;
+    }
+
+
+
+}

arraz/src/test/java/ArrazTest.java

@@ -1,5 +1,696 @@
-import static org.junit.Assert.*;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
 
 public class ArrazTest {
 
+    Arraz arraz= new Arraz();
+
+    @Test
+    public void test1sumValuesOfArray(){
+        //given
+        int[] intArray = {4,5,-6,7,-8,4};
+        //when
+        int expected =6;
+        //then
+        int actual= arraz.sumValuesOfArray(intArray);
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test2sumValuesOfArray(){
+        //given
+        int[] intArray = {5,5,-6,7,-8,4};
+        //when
+        int expected =7;
+        //then
+        int actual= arraz.sumValuesOfArray(intArray);
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1sumDoublesOfArray(){
+        //given
+        double[] intArray = {4,5,-6,7,-8,4};
+        //when
+        double expected =6;
+        //then
+        double actual= arraz.sumDoublesOfArray(intArray);
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2sumDoublesOfArray(){
+        //given
+        double[] array = {5,5,-6,7,-8,4};
+        //when
+        int expected =7;
+        //then
+        int actual= (int) arraz.sumDoublesOfArray(array);
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1averageOfArray(){
+        //given
+        int[] array =  {5,5,-6,7,-8,4};
+        //when
+        int expected =3;
+        //then
+        int actual=  arraz.averageOfArray(array);
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test2doubleAverageOfArray(){
+        //given
+        double[] array ={5,5,-6,7,-8,4};
+        //when
+        double expected =3.5;
+        //then
+        double actual= arraz.doubleAverageOfArray(array);
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1contains(){
+        //given
+        int[] intArray =  {4,5,-6,7,-8,4};
+        boolean expected=true;
+        //when
+        boolean actual= arraz.contains(intArray,5);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test2contains(){
+        //given
+        int[] intArray = {4,5,-6,7,-8,4};
+        boolean expected=false;
+        //when
+        boolean actual= arraz.contains(intArray,8);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1reverseArray(){
+        //given
+        Integer[] intArray = {4,5,-6,7,-8,4,9};
+        Integer[] expected= {9,4,-8,7,-6,5,4};
+        //when
+        Integer[] actual= arraz.reverseArray(intArray);
+        //then
+        Assert.assertTrue(Arrays.equals(expected,actual));
+    }
+
+
+    @Test
+    public void test2reverseArray(){
+        //given
+        Integer[] intArray = {8,6,5,8,7};
+        Integer[] expected= {7,8,5,6,8};
+        //when
+        Integer[] actual= arraz.reverseArray(intArray);
+        //then
+        Assert.assertTrue(Arrays.equals(expected,actual));
+    }
+
+    @Test
+    public void test1getOddEvensOfArray(){
+        //given
+        int[] intArray = {3,-3,4,-5,5,6};
+       OddEven expected = new OddEven(4,2);
+        //when
+        OddEven actual=arraz.getOddEvensOfArray(intArray);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2getOddEvensOfArray(){
+        //given
+        int[] intArray = {1,2};
+        OddEven expected = new OddEven(1,1);
+        //when
+        OddEven actual=arraz.getOddEvensOfArray(intArray);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test1FindIndexOf(){
+        //given
+        int[] intArray = {3,-3,4,-5,5,6};
+        int expected=2;
+        //when
+        int actual= arraz.findIndexOf(intArray,4);
+        //then
+        Assert.assertEquals(expected,actual);
+
+
+    }
+
+
+    @Test
+    public void test2FindIndexOf(){
+        //given
+        int[] intArray = {3,-3,4,-5,5,6};
+        int expected=5;
+        //when
+        int actual= arraz.findIndexOf(intArray,6);
+        //then
+        Assert.assertEquals(expected,actual);
+
+
+    }
+
+    @Test
+    public void test1copyArrayByLoop(){
+        //given
+        Integer[] arr1={2,3,4,5};
+        Integer[] expected={2,3,4,5};
+        //when
+        Integer[] actual= arraz.copyarrayByLoop(arr1);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2copyArrayByLoop(){
+        //given
+        Integer[] arr1={6,-5,7,0};
+        Integer[] expected={6,-5,7,0};
+        //when
+        Integer[] actual= arraz.copyarrayByLoop(arr1);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1copyArrayByInterator(){
+        //given
+        Integer[] arr1={6,-5,7,0};
+        Integer[] expected={6,-5,7,0};
+        //when
+        Integer[] actual= arraz.copyArrayByInterator(arr1);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2copyArrayByInterator(){
+        //given
+        Integer[] arr1={6,-5,7,0};
+        Integer[] expected={6,-5,7,0};
+        //when
+        Integer[] actual= arraz.copyArrayByInterator(arr1);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1removeElementFromArray(){
+        //given
+        Integer[] arr= {2,4,5,4,3,6};
+        Integer[] expected = {2,5,3,6};
+        //when
+        Integer[] actual= arraz.removeElementFromArray(arr,4);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test2removeElementFromArray(){
+        //given
+        Integer[] arr= {3,4,5,6};
+        Integer[] expected = {3,5,6};
+        //when
+        Integer[] actual= arraz.removeElementFromArray(arr,4);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test1InsertIntoArrayAt(){
+        //given
+        Integer[] arr={3,5,7,8,3,4};
+        int expected=9;
+        //when
+        int actual= arraz.insertIntoArrayAt(arr,3,9);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public  void test1FindMaxMinOfArray(){
+        //given
+        int[] arr={1,5,3,8,6};
+        MaxMin expected= new MaxMin(8,1);
+        //when
+        MaxMin actual= arraz.findMaxMinOfArray(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+
+    }
+
+    @Test
+    public  void test2FindMaxMinOfArray(){
+
+        //given
+        int[] arr={5,-5,3,-8,6};
+        MaxMin expected= new MaxMin(6,-8);
+        //when
+        MaxMin actual= arraz.findMaxMinOfArray(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSort(){
+        //given
+        Integer[] arr={3,8,5,1};
+        Integer[] expected= {1,3,5,8};
+        //when
+        Integer[] actual= arraz.sortArray(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test1RemoveDupesFromArray(){
+        //given
+        Integer[] arr= {2,6,7,6,4};
+        Integer[] expected={2,4,6,7};
+        //when
+        Integer[] actual= arraz.removeDupesFromArray(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2RemoveDupesFromArray(){
+        //given
+        Integer[] arr= {-8,6,3,-8,5};
+        Integer[] expected={-8,3,5,6};
+        //when
+        Integer[] actual= arraz.removeDupesFromArray(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1Find2ndLargestValueFromArray(){
+        //given
+        Double[] arr={7.6,5.7,4.5,3.0};
+        Double expected=5.7;
+        //when
+        Double actual= arraz.find2ndLargestValueFromArray(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2Find2ndLargestValueFromArray(){
+        //given
+        Double[] arr={9.8,8.8,-4.6,0.2};
+        Double expected=8.8;
+        //when
+        Double actual= arraz.find2ndLargestValueFromArray(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1MakeMeAnArrayListFromArray() {
+        //given
+        Integer[] arr = {4, 6, 2, 7};
+        ArrayList<Integer> expected =new ArrayList<>(Arrays.asList(arr));
+        //when
+        ArrayList<Integer> actaul= arraz.makeMeAnArrayListFromArray(arr);
+        //then
+        Assert.assertEquals(expected,actaul);
+    }
+
+
+    @Test
+    public void test2MakeMeAnArrayListFromArray() {
+        //given
+        Integer[] arr = {8,-9,3,-5};
+        ArrayList<Integer> expected =new ArrayList<>(Arrays.asList(arr));
+        //when
+        ArrayList<Integer> actaul= arraz.makeMeAnArrayListFromArray(arr);
+        //then
+        Assert.assertEquals(expected,actaul);
+    }
+
+    @Test
+    public void test1MakeMeAnArrayFromArrayList(){
+        //given
+        ArrayList<Integer> list= new ArrayList<>();
+        list.add(1);
+        list.add(3);
+        list.add(8);
+        Integer[] expected= {1,3,8};
+        //when
+        Integer[] actual=  arraz.makeMeAnArrayFromArrayList(list);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2MakeMeAnArrayFromArrayList(){
+        //given
+        ArrayList<Integer> list= new ArrayList<>();
+        list.add(-9);
+        list.add(34);
+        list.add(87);
+        Integer[] expected= {-9,34,87};
+        //when
+        Integer[] actual=  arraz.makeMeAnArrayFromArrayList(list);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1check2ArraysForEqual(){
+        //given
+        Integer[] arr1= {1,2,3,4};
+        Integer[] arr2={1,2,3,4};
+        //when
+        boolean expected= true;
+        boolean actual= arraz.check2ArraysForEqual(arr1,arr2);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test2check2ArraysForEqual(){
+        //given
+        Integer[] arr1= {1,2,3,4};
+        Integer[] arr2={1,4};
+        //when
+        boolean expected= false;
+        boolean actual= arraz.check2ArraysForEqual(arr1,arr2);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test3check2ArraysForEqual(){
+        //given
+        Integer[] arr1= {1,2,3,4};
+        Integer[] arr2={2,5,6,7};
+        //when
+        boolean expected= false;
+        boolean actual= arraz.check2ArraysForEqual(arr1,arr2);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1AverageArrayWithoutMaxMin(){
+        //given
+        int[] arr={2,4,3};
+        //when
+        int expected= 1;
+        int actual= arraz.averageArrayWithoutMaxMin(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+
+    }
+
+
+    @Test
+    public void test2AverageArrayWithoutMaxMin(){
+        //given
+        int[] arr={3,5,6,2,5,8};
+        //when
+        int expected= 3;
+        int actual= arraz.averageArrayWithoutMaxMin(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test1AarrayHas65and77(){
+        //given
+        int[] arr={55,65,87,77,90};
+        boolean expected =true;
+        //when
+        boolean actaul= arraz.arrayHas65and77(arr);
+        //then
+        Assert.assertEquals(expected,actaul);
+    }
+
+
+    @Test
+    public void test2AarrayHas65and77(){
+        //given
+        int[] arr={55,65,87,90};
+        boolean expected =false;
+        //when
+        boolean actaul= arraz.arrayHas65and77(arr);
+        //then
+        Assert.assertEquals(expected,actaul);
+    }
+
+
+    @Test
+    public void test1theTotalofTensIs30(){
+        //given
+        int[] arr={2,10,3,10,10,6};
+        boolean expected=true;
+        //when
+        boolean actual= arraz.theTotalofTensIs30(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2theTotalofTensIs30(){
+        //given
+        int[] arr={2,10,3,10,6};
+        boolean expected=false;
+        //when
+        boolean actual= arraz.theTotalofTensIs30(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test1smallAndSecondSmall(){
+        //given
+        int[] arr={3,5,7,2,4};
+        String expected= "smallest: " + 2 + " second smallest: " + 3;
+
+        //when
+        String  actual= arraz.smallAndSecondSmall(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test2smallAndSecondSmall(){
+        //given
+        int[] arr={-7,8,4,-3};
+        String expected= "smallest: " + -7 + " second smallest: " + -3;
+
+        //when
+        String  actual= arraz.smallAndSecondSmall(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testmakeMeACopyPlease(){
+        //given
+        Integer[] arr= {1,4,3,5};
+        Integer[] expected= {1,4,3,5};
+        //when
+        Integer[] actual= arraz.copyArray(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1makeMeACopyPleaseAndReverse(){
+        //given
+        Integer[] arr= {1,4,3,5};
+        Integer[] expected= {5,3,4,1};
+        //when
+        Integer[] actual= arraz.makeMeACopyPleaseAndReverse(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test2makeMeACopyPleaseAndReverse(){
+        //given
+        Integer[] arr= {3,7,9,2};
+        Integer[] expected= {2,9,7,3};
+        //when
+        Integer[] actual= arraz.makeMeACopyPleaseAndReverse(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test1removeLastItemAndCopy(){
+        Integer[] arr= {3,7,9,2};
+        Integer[] expected= {3,7,9};
+        //when
+        Integer[] actual= arraz.removeLastItemAndCopy(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2removeLastItemAndCopy(){
+        Integer[] arr= {3,7,9,2};
+        Integer[] expected= {3,7,9};
+        //when
+        Integer[] actual= arraz.removeLastItemAndCopy(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1removeFirstItemAndCopy(){
+        Integer[] arr1= {3,7,9,2};
+        Integer[] expected= {7,9,2};
+        //when
+        Integer[] actual= arraz.removeFirstItemAndCopy(arr1);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2removeFirstItemAndCopy(){
+        Integer[] arr= {4,6,9,3,8};
+        Integer[] expected= {6,9,3,8};
+        //when
+        Integer[] actual= arraz.removeFirstItemAndCopy(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1insertAtStartAndCopy(){
+
+        Integer[] arr= {3,7,9,2};
+        Integer[] expected= {1,3,7,9,2};
+        //when
+        Integer[] actual= arraz.insertAtStartAndCopy(arr,1);
+        //then
+        Assert.assertEquals(expected,actual);
+
+    }
+
+
+    @Test
+    public void test2insertAtStartAndCopy(){
+
+        Integer[] arr= {2,6,9,4};
+        Integer[] expected= {5,2,6,9,4};
+        //when
+        Integer[] actual= arraz.insertAtStartAndCopy(arr,5);
+        //then
+        Assert.assertEquals(expected,actual);
+
+    }
+
+    @Test
+    public void test1insertAtEndAndCopy(){
+        Integer[] arr= {3,7,9,2};
+        Integer[] expected= {3,7,9,2,1};
+        //when
+        Integer[] actual= arraz.insertAtEndAndCopy(arr,1);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test2insertAtEndAndCopy(){
+        Integer[] arr= {5,-9,2,7};
+        Integer[] expected= {5,-9,2,7,3};
+        //when
+        Integer[] actual= arraz.insertAtEndAndCopy(arr,3);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+    @Test
+    public void test1sortArrayIntoEvensThenOdds(){
+
+        Integer[] arr= {3,6,7,8};
+        Integer[] expected= {6,8,3,7};
+
+        Integer[] expected1= new Integer[0];
+        System.out.println(expected1.length);
+
+        //when
+        Integer[] actual= arraz.sortArrayIntoEvensThenOdds(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+
+    }
+
+    @Test
+    public void test2sortArrayIntoEvensThenOdds(){
+
+        Integer[] arr= {9,3,2,5,4};
+        Integer[] expected= {2,4,3,5,9};
+        //when
+        Integer[] actual= arraz.sortArrayIntoEvensThenOdds(arr);
+        //then
+        Assert.assertEquals(expected,actual);
+
+    }
+
+    @Test
+    public void testFindCommanItem(){
+        //given
+        String[] str1={"sam","abhi","ladi"};
+        String[] str2={"sam","rina","ladi"};
+        String[] expected= {"sam","ladi"};
+        //when
+        String[] actual=arraz.findCommanItems(str1,str2);
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+
+
+
+
+
+//    @Test
+//    public void testFindSecondLargest(){
+//        //given
+//        int[] arr1={3,5,8,4};
+//        String expected= "the second largest is: " + 5;
+//        //when
+//        String actual= Arraz.secondLargest(arr1);
+//        //then
+//        Assert.assertEquals(expected,actual);
+//    }
+
 }