Arrays

.idea/compiler.xml

@@ -10,7 +10,7 @@
       </profile>
     </annotationProcessing>
     <bytecodeTargetLevel>
-      <module name="arraz" target="1.5" />
+      <module name="arraz" target="6" />
     </bytecodeTargetLevel>
   </component>
 </project>

.idea/workspace.xml

@@ -2,69 +2,146 @@
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-      <change beforePath="$PROJECT_DIR$/README.md" afterPath="$PROJECT_DIR$/README.md" />
+      <change afterPath="$PROJECT_DIR$/arraz/src/test/java/MaxMin.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/arraz/src/test/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/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/arraz/arraz.iml" beforeDir="false" afterPath="$PROJECT_DIR$/arraz/arraz.iml" afterDir="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" />
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     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
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+  <component name="FUSProjectUsageTrigger">
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+        <counts>
+          <entry key="project.closed" value="3" />
+          <entry key="project.open.time.1" value="2" />
+          <entry key="project.open.time.2" value="1" />
+          <entry key="project.open.time.3" value="1" />
+          <entry key="project.opened" value="4" />
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+      <usages-collector id="statistics.file.extensions.edit">
+        <counts>
+          <entry key="java" value="3537" />
+          <entry key="md" value="4" />
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+      <usages-collector id="statistics.file.types.edit">
+        <counts>
+          <entry key="JAVA" value="3537" />
+          <entry key="Markdown" value="4" />
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+      <usages-collector id="statistics.file.extensions.open">
+        <counts>
+          <entry key="java" value="2" />
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+      <usages-collector id="statistics.file.types.open">
+        <counts>
+          <entry key="JAVA" value="2" />
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+      </usages-collector>
+    </session>
+  </component>
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     <leaf SIDE_TABS_SIZE_LIMIT_KEY="375">
-      <file leaf-file-name="pom.xml" pinned="false" current-in-tab="false">
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-            </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">
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+                <element signature="e#2459#2460#0" expanded="true" />
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+                <element signature="e#8332#8341#0" expanded="true" />
+              </folding>
             </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">
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+              <folding>
+                <element signature="imports" expanded="true" />
+                <element signature="e#4834#4843#0" expanded="true" />
+              </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="README.md" pinned="false" current-in-tab="true">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/README.md">
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-                <folding />
+              <first_editor relative-caret-position="326">
+                <caret line="36" column="91" selection-start-line="36" selection-start-column="73" selection-end-line="36" selection-end-column="91" />
               </first_editor>
               <second_editor />
             </state>
           </provider>
         </entry>
       </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/arraz/src/test/java/OddEven.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="450">
+              <caret line="30" column="5" lean-forward="true" selection-start-line="30" selection-start-column="5" selection-end-line="30" selection-end-column="5" />
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+                <element signature="e#586#587#0" expanded="true" />
+                <element signature="e#612#613#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/arraz/src/test/java/MaxMin.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="450">
+              <caret line="30" lean-forward="true" selection-start-line="30" selection-end-line="30" />
+              <folding>
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+                <element signature="e#141#142#0" expanded="true" />
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+                <element signature="e#461#462#0" expanded="true" />
+                <element signature="e#487#488#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
     </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
       <list>
-        <option value="Class" />
         <option value="JUnit4 Test Class" />
+        <option value="Class" />
       </list>
     </option>
   </component>
@@ -72,9 +149,6 @@
     <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 +158,11 @@
   <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/test/java/OddEven.java" />
+        <option value="$PROJECT_DIR$/arraz/src/test/java/MaxMin.java" />
+        <option value="$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java" />
+        <option value="$PROJECT_DIR$/arraz/src/main/java/Arraz.java" />
       </list>
     </option>
   </component>
@@ -102,27 +179,17 @@
       </MavenImportingSettings>
     </option>
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-    <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="1280" />
+    <option name="height" value="723" />
   </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>
@@ -151,27 +218,48 @@
             <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="1544336587206" />
     <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="configurable.group.appearance" />
   </component>
   <component name="RecentsManager">
     <key name="CreateTestDialog.RecentsKey">
@@ -193,90 +281,111 @@
       </list>
     </option>
   </component>
-  <component name="RunManager">
+  <component name="RunManager" selected="JUnit.ArrazTest">
     <configuration default="true" type="Applet" factoryName="Applet">
-      <option name="WIDTH" value="400" />
-      <option name="HEIGHT" value="300" />
       <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
-      <module />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration default="true" type="Application" factoryName="Application">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="" />
-      <envs />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <configuration default="true" type="JUnit" factoryName="JUnit">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <module name="" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
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-      <option name="METHOD_NAME" />
-      <option name="TEST_OBJECT" value="class" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
+    <configuration name="ArrazTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="arraz" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="ArrazTest" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="ArrazTest.copyArrayByIteratorTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="arraz" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="ArrazTest" />
+      <option name="METHOD_NAME" value="copyArrayByIteratorTest" />
+      <option name="TEST_OBJECT" value="method" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="ArrazTest.removeDupesFromArrayTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="arraz" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="ArrazTest" />
+      <option name="METHOD_NAME" value="removeDupesFromArrayTest" />
+      <option name="TEST_OBJECT" value="method" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="ArrazTest.removeLastItemAndCopyTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="arraz" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="ArrazTest" />
+      <option name="METHOD_NAME" value="removeLastItemAndCopyTest" />
+      <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <configuration default="true" type="Remote" factoryName="Remote">
-      <option name="USE_SOCKET_TRANSPORT" value="true" />
-      <option name="SERVER_MODE" value="false" />
-      <option name="SHMEM_ADDRESS" value="javadebug" />
-      <option name="HOST" value="localhost" />
-      <option name="PORT" value="5005" />
+    <configuration name="ArrazTest.theTotalofTensIs30Test" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="arraz" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="ArrazTest" />
+      <option name="METHOD_NAME" value="theTotalofTensIs30Test" />
+      <option name="TEST_OBJECT" value="method" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration default="true" type="JUnit" factoryName="JUnit">
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration default="true" type="TestNG" factoryName="TestNG">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
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-      <envs />
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+      <method v="2">
+        <option name="Make" enabled="true" />
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+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
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-  <component name="ShelveChangesManager" show_recycled="false">
-    <option name="remove_strategy" value="false" />
+    <list>
+      <item itemvalue="JUnit.ArrazTest.removeDupesFromArrayTest" />
+      <item itemvalue="JUnit.ArrazTest" />
+      <item itemvalue="JUnit.ArrazTest.removeLastItemAndCopyTest" />
+      <item itemvalue="JUnit.ArrazTest.theTotalofTensIs30Test" />
+      <item itemvalue="JUnit.ArrazTest.copyArrayByIteratorTest" />
+    </list>
+    <recent_temporary>
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+        <item itemvalue="JUnit.ArrazTest" />
+        <item itemvalue="JUnit.ArrazTest.copyArrayByIteratorTest" />
+        <item itemvalue="JUnit.ArrazTest.theTotalofTensIs30Test" />
+        <item itemvalue="JUnit.ArrazTest.removeLastItemAndCopyTest" />
+        <item itemvalue="JUnit.ArrazTest.removeDupesFromArrayTest" />
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@@ -291,6 +400,10 @@
       <workItem from="1543955862749" duration="2347000" />
       <workItem from="1543958998826" duration="113000" />
       <workItem from="1544020724645" duration="762000" />
+      <workItem from="1544025146191" duration="1556000" />
+      <workItem from="1544197954474" duration="724000" />
+      <workItem from="1544210486435" duration="546000" />
+      <workItem from="1544290119683" duration="16950000" />
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@@ -302,39 +415,73 @@
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+      <configuration name="ArrazTest" configurationId="JUnit" />
+    </history-entry>
+  </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="3222000" />
+    <option name="totallyTimeSpent" value="22998000" />
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+      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.1987076" />
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+      <window_info id="Image Layers" order="2" />
+      <window_info id="Designer" order="3" />
+      <window_info id="UI Designer" order="4" />
+      <window_info id="Capture Tool" order="5" />
+      <window_info id="Favorites" order="6" 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" weight="0.33013698" />
+      <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="bottom" id="Terminal" order="7" />
+      <window_info anchor="bottom" id="Event Log" order="8" side_tool="true" />
+      <window_info anchor="bottom" id="Version Control" order="9" />
+      <window_info anchor="bottom" id="Database Changes" order="10" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Messages" order="11" weight="0.3280507" />
+      <window_info anchor="right" id="Commander" order="0" 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" />
+      <window_info anchor="right" id="Palette" order="3" />
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+      <window_info anchor="right" id="Database" order="6" />
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+      <window_info anchor="right" id="Maven Projects" order="8" />
     </layout>
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -347,113 +494,76 @@
     <MESSAGE value="readme and docs" />
     <option name="LAST_COMMIT_MESSAGE" value="readme and docs" />
   </component>
-  <component name="XDebuggerManager">
-    <breakpoint-manager />
-    <watches-manager />
-  </component>
   <component name="editorHistoryManager">
     <entry file="file://$PROJECT_DIR$/arraz/pom.xml">
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-          <folding />
-        </state>
-      </provider>
+      <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/test/java/MaxMin.java">
       <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="450">
+          <caret line="30" lean-forward="true" selection-start-line="30" selection-end-line="30" />
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     <entry file="file://$PROJECT_DIR$/README.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
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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" />
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+          <first_editor relative-caret-position="326">
+            <caret line="36" column="91" selection-start-line="36" selection-start-column="73" selection-end-line="36" selection-end-column="91" />
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           <second_editor />
         </state>
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-    <entry file="file://$PROJECT_DIR$/arraz/pom.xml">
+    <entry file="file://$PROJECT_DIR$/arraz/src/test/java/OddEven.java">
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     </entry>

README.md

@@ -44,7 +44,7 @@ public class OddEven{
 
 * find the index of an array element, pass both array and value as arguments `findIndexOf`
 * copy an array by iterating the array `copyArrayByInterator`
-* copy an array by looping thru the array `copyArrayByLoop`
+* copy an array by looping through the array `copyArrayByLoop`
 * remove a specific element from an array `removeElementFromArray`
 * insert an element into an array a specific position `insertIntoArrayAt`
 * find the maximum and minimum value of an array `findMaxMinOfArray` return a 

arraz/arraz.iml

@@ -1,6 +1,6 @@
 <?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_6">
     <output url="file://$MODULE_DIR$/target/classes" />
     <output-test url="file://$MODULE_DIR$/target/test-classes" />
     <content url="file://$MODULE_DIR$">

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>6</source>
+                    <target>6</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
     <dependencies>
         <dependency>
             <groupId>junit</groupId>

arraz/src/main/java/Arraz.java

@@ -1,2 +1,292 @@
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+
 public class Arraz {
+    //sum values of an array of integers `sumValuesOfArray`
+    public static Integer sumValuesOfArray(Integer[] integerArray) {
+        Integer sum = 0;
+        for (Integer i : integerArray) {
+            sum = sum + i;
+        }
+        return sum;
+    }
+
+    //sum values of an array of doubles `sumDoublesOfArray`
+    public static Double sumDoublesOfArray(Double[] doubleArray) {
+        double sum = 0;
+        for (double i : doubleArray) {
+            sum = sum + i;
+        }
+        return sum;
+    }
+
+    //calculate the average value of an integer array - return an integer `averageOfArray`
+    public static Integer averageOfArray(Integer[] integerArray) {
+        Integer sum = 0;
+        Integer average = 0;
+        for (int i = 0; i < integerArray.length; i++) {
+            sum = sum + integerArray[i];
+            average = sum / integerArray.length;
+
+        }
+        return average;
+    }
+
+    //calculate the average value of an double array - return an double `doubleAverageOfArray`
+    public static Double doubleAverageOfArray(Double[] doubleArray) {
+        Double sum = 0.0;
+        Double average = 0.0;
+        for (int i = 0; i < doubleArray.length; i++) {
+            sum = sum + doubleArray[i];
+            average = sum / doubleArray.length;
+
+        }
+        return average;
+    }
+
+    //to test if an integer array contains a specific value, pass both array and value as arguments `containsValue`
+    public static boolean containsValue(Integer[] array, Integer value) {
+        for (Integer i : array) {
+            if (value == i) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    //reverse an array of integer values `reverseArray`
+    public static Integer[] reverseArray(Integer[] integerArray) {
+
+        Integer[] i = new Integer[integerArray.length];
+        int count = (integerArray.length) - 1;
+        for (Integer s : integerArray) {
+            i[count] = s;
+            count--;
+        }
+        return i;
+
+    }
+
+    //find the index of an array element, pass both array and value as arguments `findIndexOf`
+    public static Integer findIndexOf(Integer[] array, Integer value) {
+        return array[value];
+    }
+    //copy an array by iterating the array `copyArrayByIterator`
+
+    public static Integer[] copyArrayByIterator(Integer[] array) {
+        Integer[] newArray = new Integer[array.length];
+        Iterator<Integer> iterator = Arrays.asList(array).iterator();
+        int counter =0;
+        while(iterator.hasNext()){
+            newArray[counter] = iterator.next();
+            counter++;
+        }
+
+        return newArray;
+    }
+
+
+    //copy an array by looping through the array `copyArrayByLoop`
+    public static Integer[] copyArrayByLoop(Integer[] integerArray) {
+        Integer[] tempArray;
+        tempArray = new Integer[integerArray.length];
+        for (Integer i = 0; i < integerArray.length; i++) {
+            tempArray[i] = integerArray[i];
+        }
+        return tempArray;
+    }
+
+    //remove a specific element from an array `removeElementFromArray`
+
+    public static Integer[] removeElementFromArray(Integer[] integerArray, Integer valueToRemove) {
+
+        for (int i = valueToRemove; i < integerArray.length - 1; i++) {
+            integerArray[i] = integerArray[i + 1];
+        }
+        return integerArray;
+    }
+
+    //insert an element into an array a specific position `insertIntoArrayAt`
+    public static Integer[] insertIntoArrayAt(Integer[] integerArray, int indexToInsertAt, Integer valueToBeInserted) {
+        Integer[] result = new Integer[integerArray.length];
+        for (int i = 0; i < indexToInsertAt; i++)
+            result[i] = integerArray[i];
+        result[indexToInsertAt] = valueToBeInserted;
+        for (int i = indexToInsertAt + 1; i < integerArray.length; i++)
+            result[i] = integerArray[i - 1];
+        return result;
+    }
+
+    //remove duplicate elements from an array, return new array `removeDupesFromArray` (make it an array of Integers)
+
+    public static Integer[] removeDupesFromArray(Integer[] array) {
+        ArrayList<Integer> remove = new ArrayList<Integer>();
+        remove.add(array[0]);
+        for (Integer i = 1; i < array.length; i++) {
+            if (!array[i - 1].equals(array[i])) {
+                remove.add(array[i]);
+            }
+        }
+        Integer[] newArray = new Integer[remove.size()];
+        newArray = remove.toArray(new Integer[remove.size()]);
+
+        return newArray;
+    }
+
+    //find the second largest element in an array of Doubles `find2ndLargestValueFromArray`
+    public static Integer find2ndLargestValueFromArray(Integer[] array) {
+        Integer firstLargest, secondLargest;
+        // checking first 2 elements
+        if (array[0] > array[1]) {
+            firstLargest = array[0];
+            secondLargest = array[1];
+        } else {
+            firstLargest = array[1];
+            secondLargest = array[0];
+        }
+        for (Integer i = 2; i < array.length; i++) {
+            if (array[i] > firstLargest) {
+                secondLargest = firstLargest;
+                firstLargest = array[i];
+            } else if (array[i] < firstLargest && array[i] > secondLargest) {
+                secondLargest = array[i];
+            }
+        }
+
+        return secondLargest;
+    }
+
+    //convert an array to ArrayList `makeMeAnArrayListFromArray`
+
+    public static Integer[] makeMeAnArrayListFromArray(Integer[] array) {
+        List<Integer> list = new ArrayList<Integer>();
+        for (Integer i : array) {
+            list.add(Integer.valueOf(i));
+        }
+        return array;
+    }
+
+    //convert an ArrayList to an array `makeMeAnArrayFromArrayList`
+
+    public static Integer[] makeMeAnArrayFromArrayList(ArrayList<Integer> values) {
+        Integer[] tempArray = new Integer[values.size()];
+        for (int i = 0; i < tempArray.length; i++) {
+            tempArray[i] = values.get(i).intValue();
+
+        }
+        return tempArray;
+    }
+
+    // test the equality of two arrays `check2ArraysForEqual`
+
+    public static boolean check2ArraysForEqual(Integer[] array1, Integer[] array2) {
+        if (Arrays.equals(array1, array2)) {
+            return true;
+        }
+        return false;
+    }
+
+    // compute the average value of an array of integers except the largest and smallest values (be thinking of code re-use for this one) `averageArrayWithoutMaxMin`
+
+    //check if an array of integers contains two specified elements: 65 and 77, returns a boolean `arrayHas65and77`
+    public static boolean arrayHas65and77(Integer[] array) {
+        return false;
+    }
+
+    // check if the sum of all the 10's in the array is exactly 30. Return false if the condition does not satisfy, otherwise true. `theTotalofTensIs30`
+
+    public static boolean theTotalofTensIs30(Integer[] array) {
+        Integer totalOfTens = 0;
+        for(Integer i : array){
+            if(i == 10)
+                totalOfTens += i;
+        }
+
+        if(totalOfTens == 30)
+        {
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    //find smallest and second smallest elements of a given array
+
+
+    // copy an array of integers, reverse it, and return it. `makeMeACopyPlease`
+
+
+    // remove the last element from an array of integers, return a copy `removeLastItemAndCopy`
+
+    public static Integer[] removeLastItemAndCopy(Integer[] array) {
+        Integer[] newArray = new Integer[array.length-1];
+        for(Integer i = 0; i < array.length-1; i++){
+            newArray[i] = array[i];
+        }
+        return newArray;
+    }
+
+    // remove the first element from an array of integers, return a copy `removeFirstItemAndCopy`
+
+    public static Integer[] removeFirstItemAndCopy(Integer[] array) {
+        Integer[] newArray = new Integer[array.length-1];
+
+        for(int i = 1; i < array.length; i++){
+            newArray[i-1] = array[i];
+        }
+        return newArray;
+    }
+
+    // insert a new element at the start of an array, return a copy `insertAtStartAndCopy`
+    public static Integer[] insertAtStartAndCopy(Integer[] array, Integer value) {
+        Integer[] newArray = new Integer[array.length + 1];
+        for (Integer i = 0; i < array.length; i++) {
+            newArray[i] = array[i];
+        }
+        newArray[newArray.length - 1] = value;
+        array = newArray;
+        return array;
+    }
+
+    // insert a new element at the end of an array, return a copy `insertAtEndAndCopy`
+
+    public static Integer[] insertAtEndAndCopy(Integer[] array, Integer valueToBeInserted)
+    {
+        Integer[] newArray = new Integer[array.length+1];
+        newArray[newArray.length-1] = valueToBeInserted;
+        for(Integer i = 0; i<array.length; i++){
+            newArray[i] = array[i];
+        }
+        return newArray;
+    }
+
+    // separate even and odd numbers of an given array of integers. Put all even numbers first, and then odd numbers `sortArrayIntoEvensThenOdds`
+
+    public static Integer[] sortArrayIntoEvensThenOdds(Integer[] array) {
+
+        Arrays.sort(array);
+        Integer[] newArray = new Integer[array.length];
+        List<Integer> evenElement = new ArrayList<Integer>();
+        List<Integer> oddElements = new ArrayList<Integer>();
+        for (Integer i = 0; i < array.length; i++) {
+            if (array[i] % 2 == 0)
+                evenElement.add(array[i]);
+            else
+                oddElements.add(array[i]);
+        }
+
+        evenElement.addAll(oddElements);
+        for (int i = 0; i < array.length; i++) {
+            newArray[i] = evenElement.get(i);
+        }
+
+        return newArray;
+    }
 }
+
+
+

arraz/src/test/java/ArrazTest.java

@@ -1,5 +1,319 @@
-import static org.junit.Assert.*;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
 
 public class ArrazTest {
+    @Test
+    public void test1sumValuesOfArray() {
+        // : Given
+        Integer[] input = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        Integer expected = 190;
+
+        // : When
+        Integer actual = Arraz.sumValuesOfArray(input);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void test2sumValuesOfArray() {
+        // : Given
+        Double[] input = {1.0, 0.5, 3.6, 38.4, 17.3, 62.0, 9.0, 3.375, 0.0, 3.14159};
+        Double expected = 138.31659000000002;
+
+        // : When
+        Double actual = Arraz.sumDoublesOfArray(input);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void averageOfArrayTest() {
+        // : Given
+        Integer[] input = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        Integer expected = 21;
+
+        // : When
+        Integer actual = Arraz.averageOfArray(input);
+
+        // : Then
+        Assert.assertEquals(expected, actual, 0.01);
+    }
+
+    @Test
+    public void doubleAverageOfArrayTest() {
+        // : Given
+        Double[] input = {1.0, 0.5, 3.6, 38.4, 17.3, 62.0, 9.0, 3.375, 0.0, 3.14159};
+        Double expected = 13.831659000000002;
+
+        // : When
+        Double actual = Arraz.doubleAverageOfArray(input);
+
+        // : Then
+        Assert.assertEquals(expected, actual, 0.01);
+    }
+
+    @Test
+    public void containsValueTest() {
+        // : Given
+        Integer[] array = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        for (Integer i : array) {
+            boolean outcome = Arraz.containsValue(array, i);
+
+            // : Then
+            Assert.assertTrue(outcome);
+        }
+    }
+
+    @Test
+    public void reverseArrayTest() {
+        // : Given
+        Integer[] array = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        Integer[] expected = {8, 92, -32, 12, -7, 6, 102, 5, 4};
+        // : When
+        Integer[] actual = Arraz.reverseArray(array);
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+
+    @Test
+    public void findIndexOfTest() {
+        // : Given
+        Integer index = 2;
+        Integer[] input = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        Integer expected = 102;
+
+        // : When
+        Integer actual = Arraz.findIndexOf(input, index);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+    @Test
+    public void copyArrayByIteratorTest() {
+        // : Given
+        Integer[] givenArray = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        Integer[] expectedArray = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        Integer[] actual = Arraz.copyArrayByIterator(givenArray);
+
+        // : Then
+        Assert.assertEquals(expectedArray, actual);
+    }
+
+    @Test
+    public void copyArrayByLoopTest() {
+        // : Given
+        Integer[] givenArray = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        Integer[] expectedArray = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        Integer[] actual = Arraz.copyArrayByLoop(givenArray);
+
+        // : Then
+        Assert.assertEquals(expectedArray, actual);
+    }
+
+    @Test
+    public void removeElementFromArrayTest() {
+        Integer[] givenArray = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        Integer[] expected = {4, 5, 102, 6, -7, 12, -32, 92};
+        Integer[] actual = Arraz.removeElementFromArray(givenArray, 8);
+    }
+
+    @Test
+    public void insertIntoArrayAtTest() {
+        // : Given
+        Integer indexToInsertAt = 0;
+        Integer valueToBeInserted = 8;
+        Integer[] inputArray = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        //Integer[] expected = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        Integer[] actual = Arraz.insertIntoArrayAt(inputArray, indexToInsertAt, valueToBeInserted);
+
+        // : Then
+        Assert.assertNotNull(actual);
+    }
+
+    @Test
+    public void removeDupesFromArrayTest() {
+        // : Given
+        Integer[] givenArray = {4, 5, 4, 102, 6, -7, 12, -32, 92, 8, -32};
+        //Integer[] expected = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        Integer[] actual = Arraz.removeDupesFromArray(givenArray);
+
+        // : Then
+        Assert.assertNotNull(actual);
+
+    }
+
+    @Test
+    public void find2ndLargestValueFromArrayTest() {
+        // : Given
+        Integer[] givenArray = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        Integer expected = 92;
+
+        // : When
+        Integer actual = Arraz.find2ndLargestValueFromArray(givenArray);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+
+    public void makeMeAnArrayListFromArrayTest() {
+        // : Given
+        Integer[] givenArray = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        Integer[] expected = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        Integer[] actual = Arraz.makeMeAnArrayListFromArray(givenArray);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+
+    public void makeMeAnArrayFromArrayListTest() {
+        // : Given
+        ArrayList<Integer> list = new ArrayList<Integer>();
+        list.add(4);
+        list.add(5);
+        list.add(8);
+
+        Integer[] expected = {4,5,8};
+
+        // : When
+        Integer[] actual = Arraz.makeMeAnArrayFromArrayList(list);
+
+        // : Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void check2ArraysForEqualTest() {
+        // : Given
+        Integer[] array1 = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        Integer[] array2 = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        boolean actual = Arraz.check2ArraysForEqual(array1,array2);
+
+        // : Then
+        Assert.assertTrue( actual);
+    }
+
+    @Test
+    public  void theTotalofTensIs30Test()
+    {
+        // : Given
+        Integer[] array1 = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        Boolean outcome = Arraz.theTotalofTensIs30(array1);
+
+        // : Then
+        Assert.assertFalse(outcome);
+    }
+    @Test
+    public void removeFirstItemAndCopyTest()
+    {
+        // : Given
+        Integer[] array1 = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        Integer[] actual = Arraz.removeFirstItemAndCopy(array1);
+
+        // : Then
+        Assert.assertNotNull(actual);
+    }
+
+    @Test
+    public void removeLastItemAndCopyTest()
+    {
+        // : Given
+        Integer[] array1 = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        Integer[] actual = Arraz.removeLastItemAndCopy(array1);
+
+        // : Then
+        Assert.assertNotNull(actual);
+    }
+    @Test
+
+    public void insertAtStartAndCopy()
+    {
+        // : Given
+        Integer value = 9;
+        Integer[] array =  {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        Integer[] actual = Arraz.insertAtStartAndCopy(array,value);
+
+        // : Then
+        Assert.assertNotNull(actual);
+    }
+
+    @Test
+
+    public void insertAtEndAndCopyTest()
+    {
+        // : Given
+        Integer value = 9;
+        Integer[] array =  {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+        Integer[] actual = Arraz.insertAtEndAndCopy(array,value);
+
+        // : Then
+        Assert.assertNotNull(actual);
+    }
+    @Test
+    public void sortArrayIntoEvensThenOddsTest()
+    {
+        // : Given
+        Integer[] inputArray = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+        //Integer[] expected = {-7,-32,4,5,6,8,12,92};
+
+        // : When
+        Integer[] actual = Arraz.sortArrayIntoEvensThenOdds(inputArray);
+
+        // : Then
+
+        Assert.assertNotNull(actual);
+    }
+
+    @Test
+    public void OddEvenTest()
+    {
+        // : Given
+        Integer[] array = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+
+    }
+
+    @Test
+    public void MaxMinTest()
+    {
+        // : Given
+        Integer[] array = {4, 5, 102, 6, -7, 12, -32, 92, 8};
+
+        // : When
+
+    }
+}
 
-}

arraz/src/test/java/MaxMin.java

@@ -0,0 +1,30 @@
+import java.util.Arrays;
+
+public class MaxMin {
+    Integer[] array;
+    Integer max = 0;
+    Integer min = 0;
+
+    public MaxMin(Integer[] array) {
+        this.array = array;
+    }
+
+    public MaxMin(Integer max, Integer min) {
+        this.max = max;
+        this.min = min;
+    }
+
+    public void getMaxMin(Integer[] array) {
+        Arrays.sort(array);
+        max = array[array.length - 1];
+        min = array[0];
+    }
+
+    public Integer getMax() {
+        return max;
+    }
+
+    public Integer getMin() {
+        return min;
+    }
+}

arraz/src/test/java/OddEven.java

@@ -0,0 +1,32 @@
+public class OddEven {
+    public Integer odd = 0;
+    public Integer even = 0;
+    private Integer[] array;
+
+    public OddEven(Integer odd, Integer even) {
+        this.even = even;
+        this.odd = odd;
+    }
+
+    public OddEven(Integer[] array) {
+        this.array = array;
+    }
+
+    public void getEvenOdd() {
+        for (Integer i : array) {
+            if (i % 2 == 0) {
+                even = even + 1;
+            } else {
+                odd = odd + 1;
+            }
+        }
+    }
+
+    public Integer getEven() {
+        return even;
+    }
+
+    public Integer getOdd() {
+        return odd;
+    }
+}