completed Lab

.idea/workspace.xml

@@ -2,7 +2,9 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="3455511b-a100-4bbd-b07c-68f009bc8dbc" name="Default" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" 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>
     <ignored path="$PROJECT_DIR$/arraz/target/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -33,12 +35,12 @@
       </usages-collector>
       <usages-collector id="statistics.file.extensions.edit">
         <counts>
-          <entry key="java" value="3614" />
+          <entry key="java" value="6017" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.edit">
         <counts>
-          <entry key="JAVA" value="3614" />
+          <entry key="JAVA" value="6017" />
         </counts>
       </usages-collector>
     </session>
@@ -55,8 +57,8 @@
           <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="354">
-                  <caret line="119" column="22" selection-start-line="119" selection-start-column="22" selection-end-line="119" selection-end-column="22" />
+                <state relative-caret-position="308">
+                  <caret line="223" column="5" lean-forward="true" selection-start-line="223" selection-start-column="5" selection-end-line="223" selection-end-column="5" />
                   <folding>
                     <element signature="imports" expanded="true" />
                     <element signature="e#414#415#0" expanded="true" />
@@ -64,6 +66,19 @@
                     <element signature="e#535#536#0" expanded="true" />
                     <element signature="e#576#577#0" expanded="true" />
                     <element signature="e#2895#2904#0" expanded="true" />
+                    <element signature="e#3350#3359#0" expanded="true" />
+                    <element signature="e#4784#4785#0" expanded="true" />
+                    <element signature="e#4834#4835#0" expanded="true" />
+                    <element signature="e#4883#4884#0" expanded="true" />
+                    <element signature="e#4959#4960#0" expanded="true" />
+                    <element signature="e#5009#5010#0" expanded="true" />
+                    <element signature="e#5074#5075#0" expanded="true" />
+                    <element signature="e#5184#5185#0" expanded="true" />
+                    <element signature="e#5223#5224#0" expanded="true" />
+                    <element signature="e#5377#5378#0" expanded="true" />
+                    <element signature="e#5445#5446#0" expanded="true" />
+                    <element signature="e#5548#5557#0" expanded="true" />
+                    <element signature="e#5608#5617#0" expanded="true" />
                   </folding>
                 </state>
               </provider>
@@ -72,8 +87,8 @@
           <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="309">
-                  <caret line="191" column="43" lean-forward="true" selection-start-line="191" selection-start-column="43" selection-end-line="191" selection-end-column="43" />
+                <state relative-caret-position="296">
+                  <caret line="406" lean-forward="true" selection-start-line="406" selection-end-line="406" />
                   <folding>
                     <element signature="imports" expanded="true" />
                     <element signature="e#1970#1971#0" expanded="true" />
@@ -86,6 +101,8 @@
                     <element signature="e#3348#3349#0" expanded="true" />
                     <element signature="e#5073#5074#0" expanded="true" />
                     <element signature="e#5149#5150#0" expanded="true" />
+                    <element signature="e#6908#6917#0" expanded="true" />
+                    <element signature="e#7319#7328#0" expanded="true" />
                   </folding>
                 </state>
               </provider>
@@ -148,6 +165,12 @@
       </list>
     </option>
   </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>che</find>
+      <find>rever</find>
+    </findStrings>
+  </component>
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
@@ -235,7 +258,7 @@
     <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="1544142316149" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1544204129622" />
     <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="$PROJECT_DIR$" />
@@ -265,7 +288,7 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="JUnit.ArrazTest.test2RemoveDupes">
+  <component name="RunManager" selected="JUnit.ArrazTest">
     <configuration default="true" type="Applet" factoryName="Applet">
       <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
       <method v="2">
@@ -278,55 +301,53 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="ArrazTest.test1FindMinMax" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <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="METHOD_NAME" value="test1FindMinMax" />
-      <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.test1RemoveDupes" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test1SortArrayEvenOdd" 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="test1RemoveDupes" />
+      <option name="METHOD_NAME" value="test1SortArrayEvenOdd" />
       <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.test2FindMinMax" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test1insertEndAndCopy" 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="test2FindMinMax" />
+      <option name="METHOD_NAME" value="test1insertEndAndCopy" />
       <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.test2InsertIntoArrayAt" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test2SortArrayEvenOdd" 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="test2InsertIntoArrayAt" />
+      <option name="METHOD_NAME" value="test2SortArrayEvenOdd" />
       <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.test2RemoveDupes" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.test2insertEndAndCopy" 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="test2RemoveDupes" />
+      <option name="METHOD_NAME" value="test2insertEndAndCopy" />
       <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
       <method v="2">
@@ -357,19 +378,19 @@
       </method>
     </configuration>
     <list>
-      <item itemvalue="JUnit.ArrazTest.test2InsertIntoArrayAt" />
-      <item itemvalue="JUnit.ArrazTest.test1FindMinMax" />
-      <item itemvalue="JUnit.ArrazTest.test2FindMinMax" />
-      <item itemvalue="JUnit.ArrazTest.test1RemoveDupes" />
-      <item itemvalue="JUnit.ArrazTest.test2RemoveDupes" />
+      <item itemvalue="JUnit.ArrazTest.test1insertEndAndCopy" />
+      <item itemvalue="JUnit.ArrazTest.test2insertEndAndCopy" />
+      <item itemvalue="JUnit.ArrazTest.test1SortArrayEvenOdd" />
+      <item itemvalue="JUnit.ArrazTest.test2SortArrayEvenOdd" />
+      <item itemvalue="JUnit.ArrazTest" />
     </list>
     <recent_temporary>
       <list>
-        <item itemvalue="JUnit.ArrazTest.test2RemoveDupes" />
-        <item itemvalue="JUnit.ArrazTest.test1RemoveDupes" />
-        <item itemvalue="JUnit.ArrazTest.test2FindMinMax" />
-        <item itemvalue="JUnit.ArrazTest.test1FindMinMax" />
-        <item itemvalue="JUnit.ArrazTest.test2InsertIntoArrayAt" />
+        <item itemvalue="JUnit.ArrazTest" />
+        <item itemvalue="JUnit.ArrazTest.test2SortArrayEvenOdd" />
+        <item itemvalue="JUnit.ArrazTest.test1SortArrayEvenOdd" />
+        <item itemvalue="JUnit.ArrazTest.test2insertEndAndCopy" />
+        <item itemvalue="JUnit.ArrazTest.test1insertEndAndCopy" />
       </list>
     </recent_temporary>
   </component>
@@ -386,7 +407,7 @@
       <workItem from="1543955862749" duration="2347000" />
       <workItem from="1543958998826" duration="113000" />
       <workItem from="1544020724645" duration="762000" />
-      <workItem from="1544046527795" duration="14260000" />
+      <workItem from="1544046527795" duration="26482000" />
     </task>
     <task id="LOCAL-00001" summary="readme and docs">
       <created>1544021313039</created>
@@ -399,39 +420,39 @@
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="ArrazTest_test1InsertIntoArrayAt - 2018.12.06 at 18h 23m 24s.xml">
-      <configuration name="ArrazTest.test1InsertIntoArrayAt" configurationId="JUnit" />
-    </history-entry>
-    <history-entry file="ArrazTest_test2InsertIntoArrayAt - 2018.12.06 at 18h 23m 30s.xml">
+    <history-entry file="ArrazTest_test2InsertIntoArrayAt - 2018.12.07 at 12h 05m 05s.xml">
       <configuration name="ArrazTest.test2InsertIntoArrayAt" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test2InsertIntoArrayAt - 2018.12.06 at 18h 23m 40s.xml">
-      <configuration name="ArrazTest.test2InsertIntoArrayAt" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test1insertFirstAndCopy - 2018.12.07 at 12h 07m 39s.xml">
+      <configuration name="ArrazTest.test1insertFirstAndCopy" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test2InsertIntoArrayAt - 2018.12.06 at 18h 23m 47s.xml">
-      <configuration name="ArrazTest.test2InsertIntoArrayAt" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test1insertFirstAndCopy - 2018.12.07 at 12h 09m 16s.xml">
+      <configuration name="ArrazTest.test1insertFirstAndCopy" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="ArrazTest_test1insertFirstAndCopy - 2018.12.07 at 12h 10m 08s.xml">
+      <configuration name="ArrazTest.test1insertFirstAndCopy" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test1FindMinMax - 2018.12.06 at 18h 43m 10s.xml">
-      <configuration name="ArrazTest.test1FindMinMax" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test2insertFirstAndCopy - 2018.12.07 at 12h 10m 11s.xml">
+      <configuration name="ArrazTest.test2insertFirstAndCopy" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test1FindMinMax - 2018.12.06 at 18h 43m 43s.xml">
-      <configuration name="ArrazTest.test1FindMinMax" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test2insertFirstAndCopy - 2018.12.07 at 12h 10m 35s.xml">
+      <configuration name="ArrazTest.test2insertFirstAndCopy" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test2FindMinMax - 2018.12.06 at 18h 43m 45s.xml">
-      <configuration name="ArrazTest.test2FindMinMax" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test1insertEndAndCopy - 2018.12.07 at 12h 12m 34s.xml">
+      <configuration name="ArrazTest.test1insertEndAndCopy" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test1RemoveDupes - 2018.12.06 at 19h 04m 59s.xml">
-      <configuration name="ArrazTest.test1RemoveDupes" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test1insertEndAndCopy - 2018.12.07 at 12h 12m 38s.xml">
+      <configuration name="ArrazTest.test1insertEndAndCopy" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test2RemoveDupes - 2018.12.06 at 19h 05m 07s.xml">
-      <configuration name="ArrazTest.test2RemoveDupes" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test1insertEndAndCopy - 2018.12.07 at 12h 12m 42s.xml">
+      <configuration name="ArrazTest.test1insertEndAndCopy" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_test1RemoveDupes - 2018.12.06 at 19h 06m 41s.xml">
-      <configuration name="ArrazTest.test1RemoveDupes" configurationId="JUnit" />
+    <history-entry file="ArrazTest_test2insertEndAndCopy - 2018.12.07 at 12h 12m 44s.xml">
+      <configuration name="ArrazTest.test2insertEndAndCopy" configurationId="JUnit" />
     </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="17482000" />
+    <option name="totallyTimeSpent" value="29704000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="23" width="1440" height="805" extended-state="6" />
@@ -449,7 +470,7 @@
       <window_info anchor="bottom" id="Message" order="0" />
       <window_info anchor="bottom" id="Find" order="1" />
       <window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.33239833" />
-      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.3997195" />
       <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" />
@@ -518,8 +539,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="354">
-          <caret line="119" column="22" selection-start-line="119" selection-start-column="22" selection-end-line="119" selection-end-column="22" />
+        <state relative-caret-position="308">
+          <caret line="223" column="5" lean-forward="true" selection-start-line="223" selection-start-column="5" selection-end-line="223" selection-end-column="5" />
           <folding>
             <element signature="imports" expanded="true" />
             <element signature="e#414#415#0" expanded="true" />
@@ -527,14 +548,27 @@
             <element signature="e#535#536#0" expanded="true" />
             <element signature="e#576#577#0" expanded="true" />
             <element signature="e#2895#2904#0" expanded="true" />
+            <element signature="e#3350#3359#0" expanded="true" />
+            <element signature="e#4784#4785#0" expanded="true" />
+            <element signature="e#4834#4835#0" expanded="true" />
+            <element signature="e#4883#4884#0" expanded="true" />
+            <element signature="e#4959#4960#0" expanded="true" />
+            <element signature="e#5009#5010#0" expanded="true" />
+            <element signature="e#5074#5075#0" expanded="true" />
+            <element signature="e#5184#5185#0" expanded="true" />
+            <element signature="e#5223#5224#0" expanded="true" />
+            <element signature="e#5377#5378#0" expanded="true" />
+            <element signature="e#5445#5446#0" expanded="true" />
+            <element signature="e#5548#5557#0" expanded="true" />
+            <element signature="e#5608#5617#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="309">
-          <caret line="191" column="43" lean-forward="true" selection-start-line="191" selection-start-column="43" selection-end-line="191" selection-end-column="43" />
+        <state relative-caret-position="296">
+          <caret line="406" lean-forward="true" selection-start-line="406" selection-end-line="406" />
           <folding>
             <element signature="imports" expanded="true" />
             <element signature="e#1970#1971#0" expanded="true" />
@@ -547,6 +581,8 @@
             <element signature="e#3348#3349#0" expanded="true" />
             <element signature="e#5073#5074#0" expanded="true" />
             <element signature="e#5149#5150#0" expanded="true" />
+            <element signature="e#6908#6917#0" expanded="true" />
+            <element signature="e#7319#7328#0" expanded="true" />
           </folding>
         </state>
       </provider>

arraz/src/main/java/Arraz.java

@@ -37,8 +37,8 @@ public class Arraz {
     public int[] reverse(int[] arr) {
         for(int i = 0; i<arr.length/2; i++){
            int temp = arr[i];
-           arr[i]=arr[arr.length-1];
-           arr[arr.length-1-i]=temp;
+           arr[i]=arr[arr.length-i-1];
+           arr[arr.length-i-1]=temp;
         }
         return arr;
     }
@@ -83,15 +83,18 @@ public class Arraz {
     }
 
     public int[] removeElement(int[] arr, int val) {
-        int[] result = new int[arr.length];
+        int[] result = new int[arr.length-1];
+        int count =0;
         for(int i=0; i<arr.length; i++){
-            if(arr[i]!=val)
-            result[i]=arr[i];
+            if(arr[i]!=val){
+            result[count]=arr[i];
+            count++;}
         }
         return result;
     }
 
     public int[] insertIntoArrayAt(int[] arr, int val, int index) {
+       if (index> arr.length+1) throw new ArrayIndexOutOfBoundsException();
         int[] result = new int[arr.length+1];
         int counter = 0;
         for (int i = 0; i <result.length; i++) {
@@ -121,4 +124,100 @@ public class Arraz {
         }
         return result;
     }
+
+    public int find2ndLargest(int[] arr) {
+        Arrays.sort(arr);
+        return arr[arr.length-2];
+    }
+
+    public ArrayList<Integer> makeArrayList(int[] arr) {
+        ArrayList<Integer> result = new ArrayList<Integer>();
+        for (int i : arr) {
+            result.add((Integer)i);
+        }
+        return result;
+    }
+
+    public int[] makeArray(ArrayList<Integer> list) {
+        int[] result = new int[list.size()];
+        for (int i = 0; i < list.size(); i++) {
+            result[i]=(int)list.get(i);
+        }
+        return result;
+    }
+
+    public boolean check2Arrays(int[] arr1, int[] arr2) {
+        if(arr1.length!=arr2.length) return false;
+        for (int i = 0; i < arr1.length; i++) {
+            if(arr1[i] != arr2[i]) return false;
+        }
+        return true;
+    }
+
+    public int averageWithoutMinMax(int[] arr) {
+        Arrays.sort(arr);
+        int result = 0;
+        for (int i = 1; i < arr.length-1; i++) {
+            result += arr[i];
+        }
+        return result/(arr.length-2);
+    }
+
+    public boolean has65and77(int[] testArr) {
+        boolean contains65 = false;
+        boolean contains77 = false;
+        for (int i: testArr) {
+            if (i ==65) contains65=true;
+            if (i==77) contains77=true;
+        }
+        return (contains65&&contains77);
+    }
+
+    public boolean toalOf10sIs30(int[] arr) {
+        int tenCount = 0;
+        for (int i : arr) {
+            if (i==10) tenCount++;
+        }
+        return (tenCount==3);
+    }
+
+    public int[] makeCopyReverse(int[] arr) {
+      return reverse(copyArrayByLoop(arr));
+    }
+
+    public int[] removeLastAndCopy(int[] arr) {
+        return copyArrayByLoop(removeElement(arr,arr[arr.length-1]));
+    }
+
+    public int[] removeFirstAndCopy(int[] arr) {
+        return copyArrayByLoop(removeElement(arr,arr[0]));
+    }
+
+    public int[] insertFirstAndCopy(int[] arr, int i) {
+        return copyArrayByLoop(insertIntoArrayAt(arr, i, 0));
+    }
+
+    public int[] insertEndAndCopy(int[] arr, int i) {
+        return copyArrayByLoop(insertIntoArrayAt(arr, i, arr.length));
+    }
+
+    public int[] sortArrayEvenOdd(int[] arr) {
+        ArrayList<Integer> evens = new ArrayList<Integer>();
+        ArrayList<Integer> odds = new ArrayList<Integer>();
+        int[] result = new int[arr.length];
+        int count = 0;
+        for (int i: arr) {
+            if(i%2==0) evens.add(i);
+            else odds.add(i);
+        }
+        for (Integer j: evens) {
+            result[count]=j;
+            count++;
+        }
+        for (Integer k:odds) {
+            result[count]=k;
+            count++;
+        }
+        return result;
+    }
 }

arraz/src/test/java/ArrazTest.java

@@ -1,6 +1,8 @@
 import org.junit.Assert;
 import org.junit.Test;
 
+import java.util.ArrayList;
+
 import static org.junit.Assert.*;
 
 public class ArrazTest {
@@ -75,14 +77,20 @@ public class ArrazTest {
 
     @Test
     public void test1ReverseArray(){
-        int[] arr = new int[] {8,92,-32,12,-7,6,102,5,4};
-        Assert.assertEquals(arraz.reverse(spiffyHandyIntArray), spiffyHandyIntArray);
+        int[] expected = new int[] {8,92,-32,12,-7,6,102,5,4};
+        int[] actual = arraz.reverse(spiffyHandyIntArray);
+        for (int i = 0; i <actual.length ; i++) {
+            Assert.assertEquals(expected[i],actual[i]);
+        }
     }
 
     @Test
     public void test2ReverseArray(){
-        int[] arr = new int[] {8,92,-32,12,-7,6,102,5,4};
-        Assert.assertNotSame(arraz.reverse(spiffyHandyIntArray), arr);
+        int[] expected = new int[] {1,2,3};
+        int[] actual = arraz.reverse(expected);
+        for (int i = 0; i <actual.length ; i++) {
+            Assert.assertEquals(expected[i],actual[i]);
+        }
     }
 
     @Test
@@ -149,8 +157,8 @@ public class ArrazTest {
 
     @Test
     public void test2RemoveElement(){
-        int [] arr = arraz.removeElement(spiffyHandyIntArray, 1);
-        Assert.assertFalse(arraz.containsValue(arr, 1));
+        int [] arr = arraz.removeElement(spiffyHandyIntArray, 4);
+        Assert.assertFalse(arraz.containsValue(arr, 4));
     }
 
     @Test
@@ -193,5 +201,212 @@ public class ArrazTest {
     }
 
     @Test
-    
+    public void test1Find2ndLargest(){
+        int result = arraz.find2ndLargest(spiffyHandyIntArray);
+        Assert.assertEquals(92, result);
+    }
+
+    @Test
+    public void test2Find2ndLargest(){
+        int[] arr = new int[]{-4,-3,-5,-2,-8,-2,-5};
+        int result = arraz.find2ndLargest(arr);
+        Assert.assertEquals(-2, result);
+    }
+
+    @Test
+    public void test1MakeArrayList(){
+        ArrayList<Integer> list = arraz.makeArrayList(spiffyHandyIntArray);
+        Assert.assertEquals(list.getClass(), ArrayList.class);
+    }
+
+    @Test
+    public void test2MakeArrayList(){
+        ArrayList<Integer> list = arraz.makeArrayList(spiffyHandyIntArray);
+        Assert.assertEquals(spiffyHandyIntArray.length, list.size());
+    }
+
+    @Test
+    public void test1MakeArray(){
+        ArrayList<Integer> list = new ArrayList<Integer>();
+        list.add(4);
+        list.add(3);
+        list.add(9);
+        list.add(8);
+        int[] arr = arraz.makeArray(list);
+        Assert.assertEquals(arr.getClass(), int[].class);
+    }
+
+    @Test
+    public void test2MakeArray(){
+        ArrayList<Integer> list = new ArrayList<Integer>();
+        list.add(4);
+        list.add(3);
+        list.add(9);
+        list.add(8);
+        int[] arr = arraz.makeArray(list);
+        Assert.assertEquals(list.size(), arr.length);
+    }
+
+    @Test
+    public void test1Check2Arrays(){
+        int[] testArr = new int[] {4,5,102,6,-7,12,-32,92,8};
+        boolean actual = arraz.check2Arrays(testArr,spiffyHandyIntArray);
+        Assert.assertTrue(actual);
+    }
+
+    @Test
+    public void test2Check2Arrays(){
+        int[] testArr = new int[] {4,5,102,6,-7,44,-32,92,8};
+        boolean actual = arraz.check2Arrays(testArr,spiffyHandyIntArray);
+        Assert.assertFalse(actual);
+    }
+
+    @Test
+    public void test1AverageWithoutMinMax(){
+        int actual = arraz.averageWithoutMinMax(spiffyHandyIntArray);
+        Assert.assertEquals(17, actual);
+    }
+
+    @Test
+    public void test2AverageWithoutMinMax(){
+        int[] testArr = new int[] {4,3,2,6,7,4,1};
+        int actual = arraz.averageWithoutMinMax(testArr);
+        Assert.assertEquals(3, actual);
+    }
+
+    @Test
+    public void test1Has65and77(){
+        int[] testArr = new int[] {4,3,2,6,7,4,1};
+        boolean actual = arraz.has65and77(testArr);
+        Assert.assertFalse(actual);
+    }
+
+    @Test
+    public void test2Has65and77(){
+        int[] testArr = new int[] {4,3,65,2,6,7,77,4,1};
+        boolean actual = arraz.has65and77(testArr);
+        Assert.assertTrue(actual);
+    }
+
+    @Test
+    public void test1TotalOf10sIs30(){
+        int[] testArr = new int[] {4,3,65,2,6,7,77,4,1};
+        boolean actual = arraz.toalOf10sIs30(testArr);
+        Assert.assertFalse(actual);
+    }
+
+    @Test
+    public void test2TotalOf10sIs30(){
+            int[] testArr = new int[] {4,3,10,2,6,7,10,4,10,1};
+            boolean actual = arraz.toalOf10sIs30(testArr);
+            Assert.assertTrue(actual);
+    }
+
+    @Test
+    public void test1makeCopyReverse(){
+        int[] actual = arraz.makeCopyReverse(spiffyHandyIntArray);
+        int[] arr = new int[] {8,92,-32,12,-7,6,102,5,4};
+        for (int i=0; i<arr.length; i++){
+            Assert.assertEquals(arr[i], actual[i]);
+        }
+    }
+
+    @Test
+    public void test2makeCopyReverse(){
+        int[] testArr = new int[] {4,3,2,6,7,4,1};
+        int[] actual = arraz.makeCopyReverse(testArr);
+        int[] arr = new int[] {1,4,7,6,2,3,4};
+        for (int i=0; i<arr.length; i++){
+            Assert.assertEquals(arr[i], actual[i]);
+        }
+    }
+
+    @Test
+    public void test1removeLastAndCopy(){
+        int[] testArr = new int[] {4,3,2,33,7,4,1};
+        int[] actual = arraz.removeLastAndCopy(testArr);
+        int[] arr = new int[] {4,3,2,33,7,4};
+        for (int i=0; i<arr.length; i++){
+            Assert.assertEquals(arr[i], actual[i]);
+        }
+    }
+
+    @Test
+    public void test2removeLastAndCopy(){
+        int[] testArr = new int[] {4,3,10,2,6,7,10,4,10,1};
+        int[] actual = arraz.removeLastAndCopy(testArr);
+        Assert.assertEquals(testArr.length-1,actual.length);
+    }
+
+    @Test
+    public void test1removeFirstAndCopy(){
+        int[] testArr = new int[] {4,3,2,33,7,9,1};
+        int[] actual = arraz.removeFirstAndCopy(testArr);
+        int[] arr = new int[] {3,2,33,7,9,1};
+        for (int i=0; i<arr.length; i++){
+            Assert.assertEquals(arr[i], actual[i]);
+        }
+    }
+
+    @Test
+    public void test2removeFirstAndCopy(){
+        int[] testArr = new int[] {4,3,10,2,6,7,10,4,10,1};
+        int[] actual = arraz.removeFirstAndCopy(testArr);
+       Assert.assertEquals(testArr.length-1, actual.length);
+    }
+
+    @Test
+    public void test1insertFirstAndCopy(){
+        int[] testArr = new int[] {4,3,2,33,7,9,1};
+        int[] actual = arraz.insertFirstAndCopy(testArr, 1);
+        int[] arr = new int[] {1,4,3,2,33,7,9,1};
+        for (int i=0; i<arr.length; i++){
+            Assert.assertEquals(arr[i], actual[i]);
+        }
+    }
+
+    @Test
+    public void test2insertFirstAndCopy(){
+        int[] testArr = new int[] {4,3,10,2,6,7,10,4,10,1};
+        int[] actual = arraz.insertFirstAndCopy(testArr,2);
+        Assert.assertEquals(testArr.length+1, actual.length);
+    }
+
+    @Test
+    public void test1insertEndAndCopy(){
+        int[] testArr = new int[] {4,3,2,33,7,9,1};
+        int[] actual = arraz.insertEndAndCopy(testArr, 1);
+        int[] arr = new int[] {4,3,2,33,7,9,1,1};
+        for (int i=0; i<arr.length; i++){
+            Assert.assertEquals(arr[i], actual[i]);
+        }
+    }
+
+    @Test
+    public void test2insertEndAndCopy(){
+        int[] testArr = new int[] {4,3,10,2,6,7,10,4,10,1};
+        int[] actual = arraz.insertEndAndCopy(testArr,2);
+        Assert.assertEquals(testArr.length+1, actual.length);
+    }
+
+    @Test
+    public void test1SortArrayEvenOdd(){
+        int[] spiffyHandyIntArray = new int[] {4,5,102,6,-7,12,-32,92,8};
+        int[] actual = arraz.sortArrayEvenOdd(spiffyHandyIntArray);
+        int[] expected = new int[]{4,102,6,12,-32,92,8,5,-7};
+        for (int i = 0; i < actual.length; i++) {
+            Assert.assertEquals(expected[i], actual[i]);
+        }
+    }
+
+    @Test
+    public void test2SortArrayEvenOdd(){
+        int[] testArr = new int[] {4,3,10,2,6,7,10,4,10,1};
+        int[] actual = arraz.sortArrayEvenOdd(testArr);
+        int[] expected = new int[]{4,10,2,6,10,4,10,3,7,1};
+        for (int i = 0; i < actual.length; i++) {
+            Assert.assertEquals(expected[i], actual[i]);
+        }
+    }
+
 }