done

.idea/workspace.xml

@@ -2,9 +2,6 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="3455511b-a100-4bbd-b07c-68f009bc8dbc" name="Default" comment="">
-      <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/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.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>
@@ -15,6 +12,9 @@
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
+  <component name="CoverageDataManager">
+    <SUITE FILE_PATH="coverage/ArraysGoneWild$All_in_arraz.ic" NAME="All in arraz Coverage Results" MODIFIED="1544032699038" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="idea" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" />
+  </component>
   <component name="FUSProjectUsageTrigger">
     <session id="1944976257">
       <usages-collector id="statistics.lifecycle.project">
@@ -37,12 +37,12 @@
       </usages-collector>
       <usages-collector id="statistics.file.extensions.edit">
         <counts>
-          <entry key="java" value="4279" />
+          <entry key="java" value="5252" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.edit">
         <counts>
-          <entry key="JAVA" value="4279" />
+          <entry key="JAVA" value="5252" />
         </counts>
       </usages-collector>
     </session>
@@ -59,14 +59,24 @@
           <file pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="459">
-                  <caret line="216" column="40" selection-start-line="216" selection-start-column="40" selection-end-line="216" selection-end-column="40" />
+                <state relative-caret-position="476">
+                  <caret line="278" column="22" selection-start-line="278" selection-start-column="22" selection-end-line="278" selection-end-column="22" />
                   <folding>
                     <element signature="e#415#416#0" expanded="true" />
                     <element signature="e#475#476#0" expanded="true" />
                     <element signature="e#541#542#0" expanded="true" />
                     <element signature="e#602#603#0" expanded="true" />
                     <element signature="e#4244#4253#0" expanded="true" />
+                    <element signature="e#5874#5875#0" expanded="true" />
+                    <element signature="e#5910#5911#0" expanded="true" />
+                    <element signature="e#5971#5972#0" expanded="true" />
+                    <element signature="e#6017#6018#0" expanded="true" />
+                    <element signature="e#6104#6105#0" expanded="true" />
+                    <element signature="e#6150#6151#0" expanded="true" />
+                    <element signature="e#6230#6231#0" expanded="true" />
+                    <element signature="e#6271#6272#0" expanded="true" />
+                    <element signature="e#6348#6349#0" expanded="true" />
+                    <element signature="e#6369#6370#0" expanded="true" />
                   </folding>
                 </state>
               </provider>
@@ -75,8 +85,8 @@
           <file pinned="false" current-in-tab="true">
             <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="373">
-                  <caret line="413" column="31" lean-forward="true" selection-start-line="413" selection-start-column="31" selection-end-line="413" selection-end-column="31" />
+                <state relative-caret-position="328">
+                  <caret line="570" column="39" selection-start-line="570" selection-start-column="39" selection-end-line="570" selection-end-column="39" />
                   <folding>
                     <element signature="imports" expanded="true" />
                     <element signature="e#8652#8661#0" expanded="true" />
@@ -132,8 +142,8 @@
         <option value="$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$/arraz/src/main/java/Arraz.java" />
+        <option value="$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java" />
       </list>
     </option>
   </component>
@@ -226,7 +236,7 @@
     <property name="GO_FMT" value="false" />
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="aspect.path.notification.shown" value="true" />
-    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1544030017355" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1544032698580" />
     <property name="com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrary" value="JUnit4" />
     <property name="jdk.selected.JAVA_MODULE" value="1.8" />
     <property name="last_opened_file_path" value="$PROJECT_DIR$" />
@@ -253,7 +263,7 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="JUnit.ArrazTest.test2averageWOMaxMin">
+  <component name="RunManager" selected="JUnit.All in arraz">
     <configuration default="true" type="Applet" factoryName="Applet">
       <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
       <method v="2">
@@ -266,55 +276,53 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="ArrazTest.test1averageWOMaxMin" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="All in arraz" 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="test1averageWOMaxMin" />
-      <option name="TEST_OBJECT" value="method" />
+      <option name="TEST_OBJECT" value="package" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="ArrazTest.test1check2ArraysEqual" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test1insertAtEnd" 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="test1check2ArraysEqual" />
+      <option name="METHOD_NAME" value="test1insertAtEnd" />
       <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.test2ArrayFromList" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test1sortEvenOdd" 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="test2ArrayFromList" />
+      <option name="METHOD_NAME" value="test1sortEvenOdd" />
       <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.test2averageWOMaxMin" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test2insertIAtEnd" 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="test2averageWOMaxMin" />
+      <option name="METHOD_NAME" value="test2insertIAtEnd" />
       <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.test2check2ArraysEqual" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test2sortEvenOdd" 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="test2check2ArraysEqual" />
+      <option name="METHOD_NAME" value="test2sortEvenOdd" />
       <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
       <method v="2">
@@ -345,19 +353,19 @@
       </method>
     </configuration>
     <list>
-      <item itemvalue="JUnit.ArrazTest.test2ArrayFromList" />
-      <item itemvalue="JUnit.ArrazTest.test1check2ArraysEqual" />
-      <item itemvalue="JUnit.ArrazTest.test2check2ArraysEqual" />
-      <item itemvalue="JUnit.ArrazTest.test1averageWOMaxMin" />
-      <item itemvalue="JUnit.ArrazTest.test2averageWOMaxMin" />
+      <item itemvalue="JUnit.ArrazTest.test1insertAtEnd" />
+      <item itemvalue="JUnit.ArrazTest.test2insertIAtEnd" />
+      <item itemvalue="JUnit.ArrazTest.test1sortEvenOdd" />
+      <item itemvalue="JUnit.ArrazTest.test2sortEvenOdd" />
+      <item itemvalue="JUnit.All in arraz" />
     </list>
     <recent_temporary>
       <list>
-        <item itemvalue="JUnit.ArrazTest.test2averageWOMaxMin" />
-        <item itemvalue="JUnit.ArrazTest.test1averageWOMaxMin" />
-        <item itemvalue="JUnit.ArrazTest.test2check2ArraysEqual" />
-        <item itemvalue="JUnit.ArrazTest.test1check2ArraysEqual" />
-        <item itemvalue="JUnit.ArrazTest.test2ArrayFromList" />
+        <item itemvalue="JUnit.All in arraz" />
+        <item itemvalue="JUnit.ArrazTest.test1sortEvenOdd" />
+        <item itemvalue="JUnit.ArrazTest.test2sortEvenOdd" />
+        <item itemvalue="JUnit.ArrazTest.test2insertIAtEnd" />
+        <item itemvalue="JUnit.ArrazTest.test1insertAtEnd" />
       </list>
     </recent_temporary>
   </component>
@@ -374,7 +382,7 @@
       <workItem from="1543955862749" duration="2347000" />
       <workItem from="1543958998826" duration="113000" />
       <workItem from="1544020724645" duration="762000" />
-      <workItem from="1544021986078" duration="7134000" />
+      <workItem from="1544021986078" duration="9223000" />
     </task>
     <task id="LOCAL-00001" summary="readme and docs">
       <created>1544021313039</created>
@@ -387,39 +395,39 @@
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="ArrazTest_test1removeDups - 2018.12.05 at 11h 50m 29s.xml">
-      <configuration name="ArrazTest.test1removeDups" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test1removeLastItem - 2018.12.05 at 12h 47m 54s.xml">
+      <configuration name="ArrazTest.test1removeLastItem" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test2removeDups - 2018.12.05 at 11h 50m 32s.xml">
-      <configuration name="ArrazTest.test2removeDups" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test2removeLastItem - 2018.12.05 at 12h 47m 57s.xml">
+      <configuration name="ArrazTest.test2removeLastItem" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test1find2ndLargest - 2018.12.05 at 11h 54m 08s.xml">
-      <configuration name="ArrazTest.test1find2ndLargest" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test1removeFirstItem - 2018.12.05 at 12h 49m 11s.xml">
+      <configuration name="ArrazTest.test1removeFirstItem" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test2find2ndLargest - 2018.12.05 at 11h 54m 12s.xml">
-      <configuration name="ArrazTest.test2find2ndLargest" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test2removeFirstItem - 2018.12.05 at 12h 49m 14s.xml">
+      <configuration name="ArrazTest.test2removeFirstItem" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test1listFromArray - 2018.12.05 at 11h 57m 18s.xml">
-      <configuration name="ArrazTest.test1listFromArray" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test1insertAtStart - 2018.12.05 at 12h 51m 36s.xml">
+      <configuration name="ArrazTest.test1insertAtStart" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test2ListFromArray - 2018.12.05 at 11h 57m 20s.xml">
-      <configuration name="ArrazTest.test2ListFromArray" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test2insertIAtStart - 2018.12.05 at 12h 51m 40s.xml">
+      <configuration name="ArrazTest.test2insertIAtStart" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test1ArrayFromList - 2018.12.05 at 12h 00m 53s.xml">
-      <configuration name="ArrazTest.test1ArrayFromList" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test1insertAtEnd - 2018.12.05 at 12h 52m 31s.xml">
+      <configuration name="ArrazTest.test1insertAtEnd" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test2ArrayFromList - 2018.12.05 at 12h 00m 57s.xml">
-      <configuration name="ArrazTest.test2ArrayFromList" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test2insertIAtEnd - 2018.12.05 at 12h 52m 37s.xml">
+      <configuration name="ArrazTest.test2insertIAtEnd" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test1check2ArraysEqual - 2018.12.05 at 12h 05m 49s.xml">
-      <configuration name="ArrazTest.test1check2ArraysEqual" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test1insertAtEnd - 2018.12.05 at 12h 52m 57s.xml">
+      <configuration name="ArrazTest.test1insertAtEnd" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test2check2ArraysEqual - 2018.12.05 at 12h 05m 52s.xml">
-      <configuration name="ArrazTest.test2check2ArraysEqual" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test2insertIAtEnd - 2018.12.05 at 12h 53m 01s.xml">
+      <configuration name="ArrazTest.test2insertIAtEnd" configurationId="JUnit" />
     </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="10356000" />
+    <option name="totallyTimeSpent" value="12445000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="-209" y="-1057" width="1517" height="959" extended-state="0" />
@@ -441,7 +449,7 @@
       <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="Terminal" order="7" weight="0.3298731" />
       <window_info anchor="bottom" id="Event Log" order="8" side_tool="true" />
       <window_info anchor="bottom" id="Version Control" order="9" />
       <window_info anchor="right" id="Commander" order="0" weight="0.4" />
@@ -505,22 +513,32 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="459">
-          <caret line="216" column="40" selection-start-line="216" selection-start-column="40" selection-end-line="216" selection-end-column="40" />
+        <state relative-caret-position="476">
+          <caret line="278" column="22" selection-start-line="278" selection-start-column="22" selection-end-line="278" selection-end-column="22" />
           <folding>
             <element signature="e#415#416#0" expanded="true" />
             <element signature="e#475#476#0" expanded="true" />
             <element signature="e#541#542#0" expanded="true" />
             <element signature="e#602#603#0" expanded="true" />
             <element signature="e#4244#4253#0" expanded="true" />
+            <element signature="e#5874#5875#0" expanded="true" />
+            <element signature="e#5910#5911#0" expanded="true" />
+            <element signature="e#5971#5972#0" expanded="true" />
+            <element signature="e#6017#6018#0" expanded="true" />
+            <element signature="e#6104#6105#0" expanded="true" />
+            <element signature="e#6150#6151#0" expanded="true" />
+            <element signature="e#6230#6231#0" expanded="true" />
+            <element signature="e#6271#6272#0" expanded="true" />
+            <element signature="e#6348#6349#0" expanded="true" />
+            <element signature="e#6369#6370#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="373">
-          <caret line="413" column="31" lean-forward="true" selection-start-line="413" selection-start-column="31" selection-end-line="413" selection-end-column="31" />
+        <state relative-caret-position="328">
+          <caret line="570" column="39" selection-start-line="570" selection-start-column="39" selection-end-line="570" selection-end-column="39" />
           <folding>
             <element signature="imports" expanded="true" />
             <element signature="e#8652#8661#0" expanded="true" />

arraz/src/main/java/Arraz.java

@@ -216,4 +216,66 @@ public class Arraz {
         int[] noMaxMin = removeElementFromArray(noMax, min);
         return averageOfArray(noMaxMin);
     }
+
+    public static boolean arrayHas65and77(int[] input) {
+
+        return (containsValue(input, 65) && containsValue(input,77));
+    }
+
+    public static boolean totalOfTensIs30(int[] input) {
+
+        int count = 0;
+
+        for(int i: input) {
+            if(i == 10)
+            count++;
+        }
+        if(count == 3)
+            return true;
+
+        return false;
+    }
+
+    public static int find2ndSmallestValueFromArray(int[] input) {
+
+        int min = findMaxMinOfArray(input).getMin();
+        int[] noMin = removeElementFromArray(input, min);
+        return findMaxMinOfArray(noMin).getMin();
+    }
+
+    public static int[] reverseCopyOfArray(int[] input) {
+        return reverseArray(input);
+    }
+
+    public static int[] removeLastItem(int[] input) {
+        return removeElementFromArray(input, input[input.length - 1]);
+    }
+
+    public static int[] removeFirstItem(int[] input) {
+        return removeElementFromArray(input, input[0]);
+    }
+
+    public static int[] insertAtStart(int[] input, int numb) {
+        return insertIntoArrayAt(input, numb, 0);
+    }
+
+    public static int[] insertAtEnd(int[] input, int numb) {
+        return insertIntoArrayAt(input, numb, input.length);
+    }
+
+    public static int[] sortArrayIntoEvensThenOdds(int[] input) {
+        int[] output = new int[input.length];
+        int frontIndex = 0;
+        int backIndex = input.length - 1;
+        for (int i : input) {
+            if(i % 2 == 0) {
+                output[frontIndex] = i;
+                frontIndex++;
+            } else {
+                output[backIndex] = i;
+                backIndex--;
+            }
+        }
+        return output;
+    }
 }

arraz/src/main/java/MaxMin.java

@@ -2,9 +2,6 @@ public class MaxMin{
     public int max;
     public int min;
 
-    public MaxMin() {
-    }
-
     public MaxMin(int max, int min) {
         this.max = max;
         this.min = min;
@@ -14,18 +11,10 @@ public class MaxMin{
         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){
         MaxMin maxMin = (MaxMin) o;

arraz/src/main/java/OddEven.java

@@ -3,10 +3,6 @@ public class OddEven{
     public int odds;
     public int evens;
 
-    public OddEven() {
-        new OddEven(0, 0);
-    }
-
     public OddEven(int odds, int evens) {
         this.odds = odds;
         this.evens = evens;
@@ -16,18 +12,10 @@ public class OddEven{
         return odds;
     }
 
-    public void setOdds(int odds) {
-        this.odds = odds;
-    }
-
     public int getEvens() {
         return evens;
     }
 
-    public void setEvens(int evens) {
-        this.evens = evens;
-    }
-
     @Override
     public boolean equals(Object o){
         OddEven oddEven = (OddEven) o;

arraz/src/test/java/ArrazTest.java

@@ -416,4 +416,164 @@ public class ArrazTest {
         assertEquals(expected, actual);
     }
 
+    @Test
+    public void test1arrayHas65and77() {
+        int[] input = {3, 4, 9, 2, 1};
+
+        assertFalse(Arraz.arrayHas65and77(input));
+    }
+
+    @Test
+    public void test2arrayHas65and77() {
+        int[] input = {8, 2, 3, 65, 77, 1, 9};
+
+        assertTrue(Arraz.arrayHas65and77(input));
+    }
+
+    @Test
+    public void test1tensTotal30() {
+        int[] input = {3, 4, 9, 2, 10};
+
+        assertFalse(Arraz.totalOfTensIs30(input));
+    }
+
+    @Test
+    public void test2tensTotal30() {
+        int[] input = {8, 10, 3, 65, 10, 1, 10};
+
+        assertTrue(Arraz.totalOfTensIs30(input));
+    }
+
+    @Test
+    public void test1find2ndSmallest() {
+        int[] input = {3, 4, 9, 2, 1};
+        int expected = 2;
+        int actual = Arraz.find2ndSmallestValueFromArray(input);
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void test2find2ndSmallest() {
+        int[] input = {8, 2, 3, 5, 7, 1, 9};
+        int expected = 2;
+        int actual = Arraz.find2ndSmallestValueFromArray(input);
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void test1reverseCopy() {
+        int[] input = {3, 4, 9, 2, 1};
+        int[] expected = {1, 2, 9, 4, 3};
+        int[] actual = Arraz.reverseCopyOfArray(input);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test2reverseCopy() {
+        int[] input = {1, 2, 8};
+        int[] expected = {8, 2, 1};
+        int[] actual = Arraz.reverseCopyOfArray(input);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test1removeLastItem() {
+        int[] input = {3, 4, 9, 2, 1};
+        int[] expected = {3, 4, 9, 2};
+        int[] actual = Arraz.removeLastItem(input);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test2removeLastItem() {
+        int[] input = {1, 2, 8};
+        int[] expected = {1, 2};
+        int[] actual = Arraz.removeLastItem(input);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test1removeFirstItem() {
+        int[] input = {3, 4, 9, 2, 1};
+        int[] expected = {4, 9, 2, 1};
+        int[] actual = Arraz.removeFirstItem(input);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test2removeFirstItem() {
+        int[] input = {1, 2, 8};
+        int[] expected = {2, 8};
+        int[] actual = Arraz.removeFirstItem(input);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test1insertAtStart() {
+        int[] input = {3, 4, 9, 2, 1};
+        int numb = 7;
+        int[] expected = {7, 3, 4, 9, 2, 1};
+        int[] actual = Arraz.insertAtStart(input, numb);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test2insertIAtStart() {
+        int[] input = {8, 2};
+        int numb = 7;
+        int[] expected = {7, 8, 2};
+        int[] actual = Arraz.insertAtStart(input, numb);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test1insertAtEnd() {
+        int[] input = {3, 4, 9, 2, 1};
+        int numb = 7;
+        int[] expected = {3, 4, 9, 2, 1, 7};
+        int[] actual = Arraz.insertAtEnd(input, numb);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test2insertIAtEnd() {
+        int[] input = {8, 2};
+        int numb = 7;
+        int[] expected = {8, 2, 7};
+        int[] actual = Arraz.insertAtEnd(input, numb);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test1sortEvenOdd() {
+        int[] input = {3, 4, 9, 2, 1};
+        int[] expected = {4, 2, 1, 9, 3};
+        int[] actual = Arraz.sortArrayIntoEvensThenOdds(input);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+    @Test
+    public void test2sortEvenOdd() {
+        int[] input = {1, 3, 8, 9, 2};
+        int[] expected = {8, 2, 9, 3, 1};
+        int[] actual = Arraz.sortArrayIntoEvensThenOdds(input);
+
+        assertTrue(Arrays.equals(expected, actual));
+    }
+
+
+
 }