almost finished mostly completed .. concepts understood

.idea/encodings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>

.idea/misc.xml

@@ -7,4 +7,5 @@
       </list>
     </option>
   </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="false" project-jdk-name="1.8.0_192" project-jdk-type="JavaSDK" />
 </project>

.idea/workspace.xml

@@ -2,7 +2,12 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="3455511b-a100-4bbd-b07c-68f009bc8dbc" name="Default" comment="">
+      <change afterPath="$PROJECT_DIR$/.idea/encodings.xml" afterDir="false" />
+      <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/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" afterPath="$PROJECT_DIR$/arraz/arraz.iml" 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>
@@ -22,7 +27,7 @@
               <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="270">
+                    <first_editor relative-caret-position="97">
                       <caret line="18" selection-start-line="18" selection-end-line="18" />
                     </first_editor>
                     <second_editor />
@@ -35,25 +40,9 @@
       </content>
     </window>
   </component>
-  <component name="FUSProjectUsageTrigger">
-    <session id="1306093486">
-      <usages-collector id="statistics.lifecycle.project">
-        <counts>
-          <entry key="project.open.time.3" value="1" />
-          <entry key="project.opened" value="1" />
-        </counts>
-      </usages-collector>
-      <usages-collector id="statistics.file.types.open">
-        <counts>
-          <entry key="Markdown" value="1" />
-        </counts>
-      </usages-collector>
-      <usages-collector id="statistics.file.types.edit">
-        <counts>
-          <entry key="JAVA" value="2511" />
-        </counts>
-      </usages-collector>
-    </session>
+  <component name="ErrorTreeViewConfiguration">
+    <option name="hideWarnings" value="true" />
+    <option name="HIDE_WARNINGS" value="true" />
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="375">
@@ -62,26 +51,44 @@
           <provider selected="true" editor-type-id="text-editor" />
         </entry>
       </file>
-      <file pinned="false" current-in-tab="false">
+      <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="990">
-              <caret line="66" lean-forward="true" selection-start-line="66" selection-end-line="66" />
+            <state relative-caret-position="492">
+              <caret line="306" selection-start-line="306" selection-end-line="306" />
               <folding>
-                <element signature="e#1055#1056#0" expanded="true" />
-                <element signature="e#1093#1094#0" expanded="true" />
+                <element signature="imports" expanded="true" />
+                <element signature="e#2999#3008#0" expanded="true" />
+                <element signature="e#3647#3656#0" expanded="true" />
+                <element signature="e#3710#3719#0" expanded="true" />
+                <element signature="e#4092#4100#0" expanded="true" />
+                <element signature="e#4146#4154#0" expanded="true" />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="true">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="1525">
-              <caret line="141" column="32" selection-start-line="141" selection-start-column="32" selection-end-line="141" selection-end-column="32" />
+            <state relative-caret-position="565">
+              <caret line="515" column="27" selection-start-line="515" selection-start-column="27" selection-end-line="515" selection-end-column="27" />
+              <folding>
+                <element signature="imports" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/arraz/src/main/java/OddEven.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="15">
+              <caret line="3" column="25" selection-start-column="7" selection-end-line="4" />
               <folding>
                 <element signature="imports" expanded="true" />
+                <element signature="e#907#908#0" expanded="true" />
+                <element signature="e#965#966#0" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -92,36 +99,33 @@
   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
       <list>
-        <option value="Class" />
         <option value="JUnit4 Test Class" />
+        <option value="Class" />
       </list>
     </option>
   </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>remove</find>
+      <find>max</find>
+      <find>System</find>
+      <find>syste</find>
+    </findStrings>
+  </component>
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
-  <component name="GradleLocalSettings">
-    <option name="projectSyncType">
-      <map>
-        <entry key="$USER_HOME$/GitHub/gs-gradle/initial" value="PREVIEW" />
-      </map>
-    </option>
-  </component>
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
         <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.java" />
         <option value="$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java" />
         <option value="$PROJECT_DIR$/arraz/src/main/java/Arraz.java" />
       </list>
     </option>
   </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="MavenImportPreferences">
     <option name="importingSettings">
       <MavenImportingSettings>
@@ -129,18 +133,16 @@
       </MavenImportingSettings>
     </option>
   </component>
-  <component name="ProjectFrameBounds" extendedState="6">
-    <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="width" value="1680" />
+    <option name="height" value="1050" />
   </component>
   <component name="ProjectView">
     <navigator proportions="" version="1">
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="PackagesPane" />
+      <pane id="Scope" />
       <pane id="ProjectPane">
         <subPane>
           <expand>
@@ -169,25 +171,51 @@
             <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="Scope" />
+      <pane id="PackagesPane" />
     </panes>
   </component>
   <component name="PropertiesComponent">
     <property name="GO_FMT" value="false" />
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="aspect.path.notification.shown" value="true" />
-    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1544133683494" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1544416316395" />
     <property name="com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrary" value="JUnit4" />
     <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" />
+    <property name="project.structure.last.edited" value="Facets" />
+    <property name="project.structure.proportion" value="0.0" />
+    <property name="project.structure.side.proportion" value="0.2" />
+    <property name="settings.editor.selected.configurable" value="reference.settings.deploy.options" />
   </component>
   <component name="RecentsManager">
     <key name="CreateTestDialog.RecentsKey">
@@ -210,7 +238,7 @@
     </option>
   </component>
   <component name="RunManager" selected="JUnit.ArrazTest">
-    <configuration default="true" type="Applet" factoryName="Applet">
+    <configuration default="true" type="Applet">
       <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
       <method v="2">
         <option name="Make" enabled="true" />
@@ -231,33 +259,44 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="ArrazTest.test1sumValuesOfArray" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test1arrayHas65and77" 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="test1arrayHas65and77" />
+      <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.test1getOddEvensOfArray" 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="test1sumValuesOfArray" />
+      <option name="METHOD_NAME" value="test1getOddEvensOfArray" />
       <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.test2sumDoublesOfArray" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test1makeMeAnArrayFromArrayList" 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="test2sumDoublesOfArray" />
+      <option name="METHOD_NAME" value="test1makeMeAnArrayFromArrayList" />
       <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.test2sumValuesOfArray" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test1removeDupesFromArray" 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="test2sumValuesOfArray" />
+      <option name="METHOD_NAME" value="test1removeDupesFromArray" />
       <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
       <method v="2">
@@ -270,7 +309,7 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration default="true" type="TestNG" factoryName="TestNG">
+    <configuration default="true" type="TestNG">
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
       <properties />
       <listeners />
@@ -278,27 +317,29 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" factoryName="Plugin">
+    <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType">
       <module name="" />
       <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
       <option name="PROGRAM_PARAMETERS" />
-      <predefined_log_file id="idea.log" enabled="true" />
+      <predefined_log_file enabled="true" id="idea.log" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
     <list>
-      <item itemvalue="JUnit.ArrazTest.test1sumValuesOfArray" />
-      <item itemvalue="JUnit.ArrazTest.test2sumValuesOfArray" />
       <item itemvalue="JUnit.ArrazTest" />
-      <item itemvalue="JUnit.ArrazTest.test2sumDoublesOfArray" />
+      <item itemvalue="JUnit.ArrazTest.test1getOddEvensOfArray" />
+      <item itemvalue="JUnit.ArrazTest.test1removeDupesFromArray" />
+      <item itemvalue="JUnit.ArrazTest.test1makeMeAnArrayFromArrayList" />
+      <item itemvalue="JUnit.ArrazTest.test1arrayHas65and77" />
     </list>
     <recent_temporary>
       <list>
         <item itemvalue="JUnit.ArrazTest" />
-        <item itemvalue="JUnit.ArrazTest.test2sumDoublesOfArray" />
-        <item itemvalue="JUnit.ArrazTest.test2sumValuesOfArray" />
-        <item itemvalue="JUnit.ArrazTest.test1sumValuesOfArray" />
+        <item itemvalue="JUnit.ArrazTest.test1arrayHas65and77" />
+        <item itemvalue="JUnit.ArrazTest.test1makeMeAnArrayFromArrayList" />
+        <item itemvalue="JUnit.ArrazTest.test1removeDupesFromArray" />
+        <item itemvalue="JUnit.ArrazTest.test1getOddEvensOfArray" />
       </list>
     </recent_temporary>
   </component>
@@ -316,6 +357,9 @@
       <workItem from="1543958998826" duration="113000" />
       <workItem from="1544020724645" duration="762000" />
       <workItem from="1544126972644" duration="5602000" />
+      <workItem from="1544141043948" duration="2002000" />
+      <workItem from="1544145067998" duration="6921000" />
+      <workItem from="1544199483766" duration="30337000" />
     </task>
     <task id="LOCAL-00001" summary="readme and docs">
       <created>1544021313039</created>
@@ -328,55 +372,54 @@
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="ArrazTest_test2sumValuesOfArray - 2018.12.06 at 15h 54m 53s.xml">
-      <configuration name="ArrazTest.test2sumValuesOfArray" configurationId="JUnit" />
+    <history-entry file="ArrazTest - 2018.12.09 at 23h 25m 20s.xml">
+      <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest - 2018.12.06 at 15h 56m 29s.xml">
+    <history-entry file="ArrazTest - 2018.12.09 at 23h 27m 15s.xml">
       <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest - 2018.12.06 at 16h 05m 45s.xml">
+    <history-entry file="ArrazTest - 2018.12.09 at 23h 27m 33s.xml">
       <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test2sumDoublesOfArray - 2018.12.06 at 16h 28m 52s.xml">
-      <configuration name="ArrazTest.test2sumDoublesOfArray" configurationId="JUnit" />
+    <history-entry file="ArrazTest - 2018.12.09 at 23h 28m 18s.xml">
+      <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest - 2018.12.06 at 16h 28m 57s.xml">
+    <history-entry file="ArrazTest - 2018.12.09 at 23h 29m 04s.xml">
       <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest - 2018.12.06 at 16h 31m 00s.xml">
+    <history-entry file="ArrazTest - 2018.12.09 at 23h 29m 15s.xml">
       <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest - 2018.12.06 at 16h 36m 54s.xml">
+    <history-entry file="ArrazTest - 2018.12.09 at 23h 29m 50s.xml">
       <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest - 2018.12.06 at 16h 37m 24s.xml">
+    <history-entry file="ArrazTest - 2018.12.09 at 23h 30m 32s.xml">
       <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest - 2018.12.06 at 16h 41m 54s.xml">
+    <history-entry file="ArrazTest - 2018.12.09 at 23h 30m 40s.xml">
       <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest - 2018.12.06 at 16h 42m 33s.xml">
+    <history-entry file="ArrazTest - 2018.12.09 at 23h 31m 49s.xml">
       <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="8824000" />
+    <option name="totallyTimeSpent" value="48084000" />
   </component>
   <component name="ToolWindowManager">
-    <frame x="0" y="23" width="1280" height="723" extended-state="6" />
+    <frame x="0" y="0" width="1680" height="1050" extended-state="0" />
+    <editor active="true" />
     <layout>
-      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.26171243" />
-      <window_info id="Structure" order="1" weight="0.25" />
+      <window_info content_ui="combo" id="Project" order="0" weight="0.13186814" />
+      <window_info id="Structure" order="1" weight="0.24969475" />
       <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="Database Changes" show_stripe_button="false" />
-      <window_info anchor="bottom" id="Messages" weight="0.3296355" />
       <window_info anchor="bottom" id="Message" order="0" />
       <window_info anchor="bottom" id="Find" order="1" />
-      <window_info anchor="bottom" id="Run" order="2" visible="true" weight="0.3296355" />
+      <window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.32959184" />
       <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" />
@@ -384,6 +427,9 @@
       <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="0.32857144" />
+      <window_info anchor="bottom" id="Docker" order="12" show_stripe_button="false" />
       <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" />
@@ -393,39 +439,111 @@
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       <window_info anchor="right" id="Palette&#9;" order="7" />
       <window_info anchor="right" id="Maven Projects" order="8" />
+      <window_info anchor="right" id="Maven" order="9" />
     </layout>
+    <layout-to-restore>
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.13186814" />
+      <window_info id="Structure" order="1" weight="0.25" />
+      <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="0.32959184" />
+      <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="0.32857144" />
+      <window_info anchor="bottom" id="Docker" order="12" show_stripe_button="false" />
+      <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" />
+      <window_info anchor="right" id="Capture Analysis" order="4" />
+      <window_info anchor="right" id="Theme Preview" order="5" />
+      <window_info anchor="right" id="Database" order="6" />
+      <window_info anchor="right" id="Palette&#9;" order="7" />
+      <window_info anchor="right" id="Maven Projects" order="8" />
+      <window_info anchor="right" id="Maven" order="9" />
+    </layout-to-restore>
   </component>
   <component name="TypeScriptGeneratedFilesManager">
     <option name="version" value="1" />
   </component>
-  <component name="VcsContentAnnotationSettings">
-    <option name="myLimit" value="2678400000" />
-  </component>
   <component name="VcsManagerConfiguration">
     <MESSAGE value="readme and docs" />
     <option name="LAST_COMMIT_MESSAGE" value="readme and docs" />
   </component>
   <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/MaxMin.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="371">
+          <caret line="27" column="20" selection-start-line="27" selection-start-column="20" selection-end-line="27" selection-end-column="20" />
+          <folding>
+            <element signature="e#209#210#0" expanded="true" />
+            <element signature="e#235#236#0" expanded="true" />
+            <element signature="e#270#271#0" expanded="true" />
+            <element signature="e#300#301#0" expanded="true" />
+            <element signature="e#327#328#0" expanded="true" />
+            <element signature="e#353#354#0" expanded="true" />
+            <element signature="e#388#389#0" expanded="true" />
+            <element signature="e#418#419#0" expanded="true" />
+            <element signature="e#760#761#0" expanded="true" />
+            <element signature="e#815#816#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="jar:///Library/Java/JavaVirtualMachines/jdk1.8.0_192.jdk/Contents/Home/src.zip!/java/util/ArrayList.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="210">
+          <caret line="656" selection-start-line="656" selection-end-line="656" />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/arraz/pom.xml">
       <provider selected="true" editor-type-id="text-editor" />
     </entry>
-    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
+    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/OddEven.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="990">
-          <caret line="66" lean-forward="true" selection-start-line="66" selection-end-line="66" />
+        <state relative-caret-position="15">
+          <caret line="3" column="25" selection-start-column="7" selection-end-line="4" />
           <folding>
-            <element signature="e#1055#1056#0" expanded="true" />
-            <element signature="e#1093#1094#0" expanded="true" />
+            <element signature="imports" expanded="true" />
+            <element signature="e#907#908#0" expanded="true" />
+            <element signature="e#965#966#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1525">
-          <caret line="141" column="32" selection-start-line="141" selection-start-column="32" selection-end-line="141" selection-end-column="32" />
+        <state relative-caret-position="565">
+          <caret line="515" column="27" selection-start-line="515" selection-start-column="27" selection-end-line="515" selection-end-column="27" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="492">
+          <caret line="306" selection-start-line="306" selection-end-line="306" />
           <folding>
             <element signature="imports" expanded="true" />
+            <element signature="e#2999#3008#0" expanded="true" />
+            <element signature="e#3647#3656#0" expanded="true" />
+            <element signature="e#3710#3719#0" expanded="true" />
+            <element signature="e#4092#4100#0" expanded="true" />
+            <element signature="e#4146#4154#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -433,7 +551,7 @@
     <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="270">
+          <first_editor relative-caret-position="97">
             <caret line="18" selection-start-line="18" selection-end-line="18" />
           </first_editor>
           <second_editor />
@@ -443,6 +561,66 @@
   </component>
   <component name="masterDetails">
     <states>
+      <state key="ArtifactsStructureConfigurable.UI">
+        <settings>
+          <artifact-editor />
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="FacetStructureConfigurable.UI">
+        <settings>
+          <last-edited>No facets are configured</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="GlobalLibrariesConfigurable.UI">
+        <settings>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="JdkListConfigurable.UI">
+        <settings>
+          <last-edited>1.8.0_192</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ModuleStructureConfigurable.UI">
+        <settings>
+          <last-edited>ArraysGoneWild</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+                <option value="0.6" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
       <state key="ProjectJDKs.UI">
         <settings>
           <last-edited>1.8</last-edited>
@@ -455,6 +633,18 @@
           </splitter-proportions>
         </settings>
       </state>
+      <state key="ProjectLibrariesConfigurable.UI">
+        <settings>
+          <last-edited>Maven: junit:junit:4.0</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
     </states>
   </component>
 </project>

arraz/arraz.iml

@@ -9,7 +9,7 @@
       <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/src/main/java/Arraz.java

@@ -1,3 +1,6 @@
+import java.io.UncheckedIOException;
+import java.util.*;
+
 public class Arraz {
 
 
@@ -62,10 +65,244 @@ public class Arraz {
     }
 
     public static int[] reverseArray(int[] arr) {
-        int temp;
+
+        for(int i = 0; i < arr.length/2; i++){
+            int temp = arr[i];
+
+            arr[i] = arr[arr.length-i-1];
+            arr[arr.length-i-1] = temp;
+        }
+
+        return arr;
+
+    }
+
+    public static OddEven getOddEvensOfArray(int[] arr){
+        int odd = 0;
+        int even = 0;
+
+        for(int i = 0; i < arr.length; i++){
+            if(arr[i] % 2 == 0){
+                even++;
+            }else {
+                odd++;
+            }
+        }
+
+        return new OddEven(even,odd);
+    }
+
+    public static int findIndexOf(int[] arr, int n) {
+
+        for(int i = 0; i <arr.length; i++){
+            if(arr[i] == n){
+                return i;
+            }
+        }return -1;
+
+
+    }
+
+    public static Integer[] copyArrayByIterator(Integer[] arr) {
+
+        Iterator<Integer> iterator = Arrays.asList(arr).iterator();
+        Integer[] newArr = new Integer[arr.length];
+        int i = 0;
+
+        while(iterator.hasNext()){
+            newArr[i] = iterator.next();
+            i++;
+        }
+        return newArr;
+    }
+
+    public static int[] copyArrayByLoop(int[] arr) {
+        int[] newArr = new int[arr.length];
+
+        for(int i = 0; i < arr.length; i++){
+            newArr[i] = arr[i];
+        }
+        return newArr;
+    }
+
+
+    public static int[] toIntArray(Integer[] array){
+        int[] ret = new int[array.length];
+        for(int i = 0; i < array.length;i++){
+            ret[i] = array[i];
+        }
+        return ret;
+    }
+
+
+    public static int[] removeElementFromArray(int[] arr, Integer number) {
+
+
+        ArrayList<Integer> list = new ArrayList<Integer>();
+
+        for(int n : arr){
+            list.add(n);
+        }
+
+        for(int m : arr) {
+            list.remove(new Integer(number));
+        }
+
+        Integer[] elementRemovedArray = list.toArray(new Integer[list.size()]);
+
+
+
+        return  toIntArray(elementRemovedArray );
+    }
+
+    public static int[] insertIntoArrayAt(int[] arr, int index, int number) {
+
+        int[] newArr = new int[arr.length+1];
+
         for(int i = 0; i < arr.length; i++){
 
+            if(i == index){
+                arr[index] = number;
+            }
+            newArr[i] = arr[i];
         }
+        return newArr;
+    }
+
+    public static MaxMin findMaxMinOfArray(int[] arr) {
+
+        Arrays.sort(arr);
+
+        int max = arr[arr.length-1];
+        int min = arr[0];
 
+        return new MaxMin(max,min);
     }
+
+    public static Integer[] removeDupesFromArray(Integer[] arr) {
+
+
+        ArrayList<Integer> list = new ArrayList<Integer>();
+
+        HashSet<Integer> set = new HashSet<Integer>();
+
+        for(Integer n : arr){
+            list.add(n);
+        }
+
+        set.addAll(list);
+        list.clear();
+        list.addAll(set);
+
+
+        Integer[] array = list.toArray(new Integer[0]);
+
+        Arrays.sort(array);
+        return array;
+    }
+
+
+    public static double find2ndLargestValueFromArray(double[] arr) {
+
+        ArrayList<Double> list = new ArrayList<Double>();
+
+        HashSet<Double> set = new HashSet<Double>();
+
+        for(Double n : arr){
+            list.add(n);
+        }
+
+        set.addAll(list);
+        list.clear();
+        list.addAll(set);
+
+        Double[] array = list.toArray(new Double[0]);
+
+        Arrays.sort(array);
+
+
+        for (int i = 0 ; i < array.length; i++){
+            if(array[i] != array[i + i]){
+                return array[array.length-2];
+            }
+        }
+            return -1;
+    }
+
+
+    public static ArrayList makeMeAnArrayListFromArray(Object[] array) {
+
+        ArrayList arrayList = new ArrayList(Arrays.asList(array));
+
+        return arrayList;
+    }
+
+    public static Object[] makeMeAnArrayFromArrayList(ArrayList arrayList) {
+
+        Object[] arr = arrayList.toArray();
+
+        return arr;
+    }
+
+    public static boolean check2ArraysForEqual(Object[] arr1, Object[] arr2) {
+
+
+        int counter = 0;
+        for(int i = 0; i < arr1.length; i++){
+            for(int j = 0; j < arr2.length; j++){
+                if(arr1[i] == arr2[j]){
+                    counter++;
+                }
+            }
+        }
+        if(counter == arr1.length && counter == arr2.length){
+            return true;
+        }
+        return false;
+    }
+
+    public static int averageArrayWithoutMaxMin(int[] array) {
+
+        MaxMin maxMin = findMaxMinOfArray(array);
+
+        int max = maxMin.getMax();
+        int min = maxMin.getMin();
+
+
+
+        int[] arrayWithoutMax = removeElementFromArray(array,max);
+
+        int[] arrayWithoutBoth = removeElementFromArray(arrayWithoutMax,min);
+
+
+
+        return averageOfArrays(arrayWithoutBoth);
+    }
+
+    public static boolean arrayHas65and77(int[] array){
+        int counter = 0;
+
+        if(containsValue(array,65) && containsValue(array, 77)){
+            return true;
+        }
+
+//        if(containsValue(array,77)){
+//            counter++;
+//        }
+//        for (int i = 0 ; i < array.length; i++){
+//            if(array[i] == 65){
+//                counter++;
+//            }
+//            else if(array[i] == 77){
+//                counter++;
+//            }
+//        }
+
+//        if(counter >= 2){
+//            return true;
+//        }
+        return false;
+    }
+
+
 }

arraz/src/main/java/MaxMin.java

@@ -0,0 +1,44 @@
+import java.util.Objects;
+
+public class MaxMin {
+    public int max;
+    public int min;
+
+    public MaxMin() {
+    }
+
+    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 instanceof MaxMin)) return false;
+        MaxMin maxMin = (MaxMin) o;
+        return getMax() == maxMin.getMax() &&
+                getMin() == maxMin.getMin();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(getMax(), getMin());
+    }
+}

arraz/src/main/java/OddEven.java

@@ -0,0 +1,49 @@
+import javax.xml.bind.annotation.XmlType;
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+import java.util.Objects;
+
+public class OddEven {
+    public int evens;
+    public int odds;
+
+    public OddEven(int evens, int odds) {
+        this.evens = evens;
+        this.odds = odds;
+    }
+
+    public OddEven() {
+    }
+
+    public int getEvens() {
+        return evens;
+    }
+
+    public void setEvens(int evens) {
+        this.evens = evens;
+    }
+
+    public int getOdds() {
+        return odds;
+    }
+
+    public void setOdds(int odds) {
+        this.odds = odds;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof OddEven)) return false;
+        OddEven oddEven = (OddEven) o;
+        return getEvens() == oddEven.getEvens() &&
+                getOdds() == oddEven.getOdds();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(getEvens(), getOdds());
+    }
+
+
+}

arraz/src/test/java/ArrazTest.java

@@ -1,7 +1,7 @@
 import org.junit.Assert;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
+import java.util.ArrayList;
 
 public class ArrazTest {
 
@@ -136,14 +136,384 @@ public class ArrazTest {
 
     @Test
     public void test1reverseArray(){
-        int[] arr = {1,2,3,4,5};
+        int[] arr = {1,2,3,4,5,6};
+
+        int[] expected = {6,5,4,3,2,1};
+        int[] actual = Arraz.reverseArray(arr);
+
+        Assert.assertEquals(expected[0],actual[0]);
+
+
+
+    }
+
+    @Test
+    public void test2reverseArray(){
+        int[] arr = {1,2,3,4,5,6};
 
-        int[] expected = {5,4,3,2,1};
+        int[] expected = {6,5,4,3,2,1};
         int[] actual = Arraz.reverseArray(arr);
 
+        Assert.assertEquals(expected[4],actual[4]);
+
+
+
+    }
+
+    @Test
+    public void test1getOddEvensOfArray(){
+
+
+        int[] arr = {1,2,3,4,6};
+
+        OddEven expected = new OddEven(3,2);
+
+        OddEven actual = Arraz.getOddEvensOfArray(arr);
+
+        Assert.assertEquals(expected,actual);
+
+    }
+
+    @Test
+    public void test2getOddEvensOfArray(){
+
+
+        int[] arr = {1,5,3,4,7};
+
+        OddEven expected = new OddEven(1,4);
+
+        OddEven actual = Arraz.getOddEvensOfArray(arr);
+
+        Assert.assertEquals(expected,actual);
+
+    }
+
+    @Test
+    public void test1findIndexOf(){
+        int[] arr = {1,2,3,4,5};
+
+        int expected = 1;
+
+        int actual = Arraz.findIndexOf(arr, 2);
+
+        Assert.assertEquals(expected,actual,.01);
+    }
+
+    @Test
+    public void test2findIndexOf(){
+        int[] arr = {1,2,3,4,5};
+
+        int expected = -1;
+
+        int actual = Arraz.findIndexOf(arr, 6);
+
+        Assert.assertEquals(expected,actual,.01);
+    }
+
+    @Test
+    public void test1copyArrayByIterator(){
+        Integer[] arr = {1,2,3,4,5};
+
+        Integer[] expected = {1,2,3,4,5};
+
+        Integer[] actual = Arraz.copyArrayByIterator(arr);
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2copyArrayByIterator(){
+        Integer[] arr = {1,2,3,4,5,6,7,8,9};
+
+        Integer[] expected = {1,2,3,4,5,6,7,8,9};
+
+        Integer[] actual = Arraz.copyArrayByIterator(arr);
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1copyArrayByLoop(){
+        int[] arr = {1,2,3,4,5};
+
+        int[] expected = {1,2,3,4,5};
+        int[] actual = Arraz.copyArrayByLoop(arr);
+
+        Assert.assertEquals(expected[1],actual[1]);
+    }
+
+    @Test
+    public void test2copyArrayByLoop(){
+        int[] arr = {11,2,10,4,5};
+
+        int[] expected = {11,2,10,4,5};
+        int[] actual = Arraz.copyArrayByLoop(arr);
+
+        Assert.assertEquals(expected[1],actual[1]);
+        Assert.assertEquals(expected[2],actual[2]);
+        Assert.assertEquals(expected[4],actual[4]);
+
+    }
+
+    @Test
+    public void test1removeElementFromArray(){
+        int[] arr =  {1,2,3,4,5};
+
+        int[] expected = {1,2,4,5};
+        int[] actual = Arraz.removeElementFromArray(arr,3);
+
+
+        Assert.assertEquals(expected[1],actual[1]);
+        Assert.assertEquals(expected[2],actual[2]);
+        Assert.assertEquals(expected[3],actual[3]);
+        Assert.assertEquals(expected[0],actual[0]);
+
+    }
+
+    @Test
+    public void test2removeElementFromArray(){
+        int[] arr =  {5,4,3,2,1};
+
+        int[] expected = {5,3,2,1};
+        int[] actual = Arraz.removeElementFromArray(arr,4);
+
+        Assert.assertEquals(expected[1],actual[1]);
+        Assert.assertEquals(expected[2],actual[2]);
+        Assert.assertEquals(expected[3],actual[3]);
+        Assert.assertEquals(expected[0],actual[0]);
+
+    }
+
+    @Test
+    public void test1insertIntoArrayAt(){
+        int[] arr = {1,2,3,5,6};
+
+        int[] expected = {1,2,3,4,6};
+        int[] actual = Arraz.insertIntoArrayAt(arr,3,4);
+
+        Assert.assertEquals(expected[3], actual[3]);
+        Assert.assertEquals(expected[1], actual[1]);
+        Assert.assertEquals(expected[2], actual[2]);
+        Assert.assertEquals(expected[4], actual[4]);
+
+    }
+
+    @Test
+    public void test2insertIntoArrayAt(){
+        int[] arr = {10,20,30,50,60};
+
+        int[] expected = {10,20,30,40,60};
+        int[] actual = Arraz.insertIntoArrayAt(arr,3,40);
+
+        Assert.assertEquals(expected[3], actual[3]);
+        Assert.assertEquals(expected[1], actual[1]);
+        Assert.assertEquals(expected[2], actual[2]);
+        Assert.assertEquals(expected[4], actual[4]);
+
+    }
+
+    @Test
+    public void test1findMaxMinOfArray(){
+        int[] arr = {3,6,8,2,1};
+
+        MaxMin expected = new MaxMin(8,1);
+        MaxMin actual = Arraz.findMaxMinOfArray(arr);
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2findMaxMinOfArray(){
+        int[] arr = {34,16,18,2,11,16,34,2,1,1};
+
+        MaxMin expected = new MaxMin(34,1);
+        MaxMin actual = Arraz.findMaxMinOfArray(arr);
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1removeDupesFromArray(){
+        Integer[] arr = {34,16,18,2,11,16,34,2,1,1};
+
+        Integer[] expected = {1,2,11,16,18,34};
+        Integer[] actual = Arraz.removeDupesFromArray(arr);
+
+        Assert.assertEquals(expected,actual);
+
+    }
+
+    @Test
+    public void test2removeDupesFromArray(){
+        Integer[] arr = {32,26,28,21,21,26,32,2,1,1};
+
+        Integer[] expected = {1,2,21,26,28,32};
+        Integer[] actual = Arraz.removeDupesFromArray(arr);
+
+        Assert.assertEquals(expected,actual);
+
+    }
+
+    @Test
+    public void test1find2ndLargestValueFromArray(){
+        double[] arr = {1.1,2.2,3.3,4.4,5.5,6.6,7.7,8.8,9.9,10.1};
+
+        double expected = 9.9;
+        double actual = Arraz.find2ndLargestValueFromArray(arr);
+
+        Assert.assertEquals(expected,actual);
+
+    }
+
+    @Test
+    public void test2find2ndLargestValueFromArray(){
+        double[] arr = {2.2,3.4,5.6,2.1,3.3,3.4,5.6};
+
+        double expected = 3.4;
+        double actual = Arraz.find2ndLargestValueFromArray(arr);
+
+        Assert.assertEquals(expected,actual);
+
+    }
+
+    @Test
+    public void test1makeMeAnArrayListFromArray(){
+        Object[] array = {1,2,3,4,5,6};
+
+
+        int expected = array.length;
+        ArrayList arrayList = Arraz.makeMeAnArrayListFromArray(array);
+
+        int actual = arrayList.size();
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2makeMeAnArrayListFromArray(){
+        Object[] array = {1,2,3,5,6};
+
+
+        int expected = array.length;
+        ArrayList arrayList = Arraz.makeMeAnArrayListFromArray(array);
+
+        int actual = arrayList.size();
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1makeMeAnArrayFromArrayList(){
+
+        ArrayList arrayList = new ArrayList();
+        arrayList.add(5);
+        arrayList.add(4);
+        arrayList.add(6);
+        arrayList.add(7);
+
+
+        Object[] array = Arraz.makeMeAnArrayFromArrayList(arrayList);
+
+        int expected = arrayList.size();
+        int actual = array.length;
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2makeMeAnArrayFromArrayList(){
+
+        ArrayList arrayList = new ArrayList();
+        arrayList.add(5);
+        arrayList.add(4);
+        arrayList.add(6);
+        arrayList.add(7);
+        arrayList.add(6);
+        arrayList.add(6);
+        arrayList.add(6);
+        arrayList.add(6);
+
+
+
+
+        Object[] array = Arraz.makeMeAnArrayFromArrayList(arrayList);
+
+        int expected = arrayList.size();
+        int actual = array.length;
+
         Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1check2ArraysForEqual(){
+
+        Object[] arr1 = {1,2,3,4,5};
+        Object[] arr2 = {1,2,3,4,5};
+
+
+
+       boolean actual = Arraz.check2ArraysForEqual(arr1,arr2);
+
+       Assert.assertTrue(actual);
+    }
+
+    @Test
+    public void test2check2ArraysForEqual(){
+
+        Object[] arr1 = {1,2,3,4,5};
+        Object[] arr2 = {1,2,3,4,5,6};
+
+
+
+        boolean actual = Arraz.check2ArraysForEqual(arr1,arr2);
+
+        Assert.assertFalse(actual);
+    }
+
+    @Test
+    public void test1averageArrayWithoutMaxMin(){
+
+        int[] array = {2,4,6,8,10};
+
+        int expected = 6;
+        int actual = Arraz.averageArrayWithoutMaxMin(array);
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test2averageArrayWithoutMaxMin(){
+
+        int[] array = {2,2,2,2,2,2,4,6,8,10,10,10,10,10};
+
+        int average = Arraz.averageOfArrays(array);
+        int sum = Arraz.sumIntArray(array);
+
+        int expected = 6;
+        int actual = Arraz.averageArrayWithoutMaxMin(array);
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void test1arrayHas65and77(){
+
+        int[] array = {1,2,3,55,65,77,100};
+
+        boolean has65and77 = Arraz.arrayHas65and77(array);
+
+        Assert.assertTrue(has65and77);
+
+    }
+
+    @Test
+    public void test2arrayHas65and77(){
+
+        int[] array = {1,2,3,55,77,100};
 
+        boolean has65and77 = Arraz.arrayHas65and77(array);
 
+        Assert.assertFalse(has65and77);
 
     }
 }