Completed part one

.idea/workspace.xml

@@ -1,15 +1,422 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectFrameBounds">
+  <component name="ChangeListManager">
+    <list default="true" id="05f02981-1995-4469-ad6a-5aecdfd17208" name="Default Changelist" comment="">
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+      <change afterPath="$PROJECT_DIR$/src/test/java/MyArrayListTest.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
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+          <entry key="project.open.time.1" value="2" />
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+        <counts>
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+          <entry key="Markdown" value="1" />
+        </counts>
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+      <usages-collector id="statistics.file.extensions.edit">
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+      <usages-collector id="statistics.file.types.edit">
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+    <option name="RECENT_TEMPLATES">
+      <list>
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+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
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     <option name="y" value="23" />
     <option name="width" value="1280" />
     <option name="height" value="738" />
   </component>
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+              <item name="test" type="462c0819:PsiDirectoryNode" />
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+            <path>
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+              <item name="CR-MicroLabs-Generics-MyArrayList" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
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+          <select />
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+      </pane>
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+  </component>
   <component name="PropertiesComponent">
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="aspect.path.notification.shown" value="true" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1542254137970" />
     <property name="last_opened_file_path" value="$PROJECT_DIR$" />
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     <property name="nodejs_npm_path_reset_for_default_project" value="true" />
   </component>
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+        </RuleState>
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+      <module name="generics" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="MyArrayListTest" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="MyArrayListTest.testIsEmptyIntFalse" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="generics" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="MyArrayListTest" />
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+      <option name="TEST_OBJECT" value="method" />
+      <method v="2">
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+      </method>
+    </configuration>
+    <configuration name="MyArrayListTest.testSetInt" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="generics" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="MyArrayListTest" />
+      <option name="METHOD_NAME" value="testSetInt" />
+      <option name="TEST_OBJECT" value="method" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="MyArrayListTest.testSizeAfterAddingOne" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="generics" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="MyArrayListTest" />
+      <option name="METHOD_NAME" value="testSizeAfterAddingOne" />
+      <option name="TEST_OBJECT" value="method" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="MyArrayListTest.testSizeConstructor" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="generics" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="MyArrayListTest" />
+      <option name="METHOD_NAME" value="testSizeConstructor" />
+      <option name="TEST_OBJECT" value="method" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
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+      <item itemvalue="JUnit.MyArrayListTest.testIsEmptyIntFalse" />
+      <item itemvalue="JUnit.MyArrayListTest" />
+      <item itemvalue="JUnit.MyArrayListTest.testSetInt" />
+      <item itemvalue="JUnit.MyArrayListTest.testSizeAfterAddingOne" />
+      <item itemvalue="JUnit.MyArrayListTest.testSizeConstructor" />
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+        <item itemvalue="JUnit.MyArrayListTest" />
+        <item itemvalue="JUnit.MyArrayListTest.testSizeConstructor" />
+        <item itemvalue="JUnit.MyArrayListTest.testSizeAfterAddingOne" />
+        <item itemvalue="JUnit.MyArrayListTest.testSetInt" />
+        <item itemvalue="JUnit.MyArrayListTest.testIsEmptyIntFalse" />
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+  <component name="SvnConfiguration">
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+  <component name="TaskManager">
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+      <changelist id="05f02981-1995-4469-ad6a-5aecdfd17208" name="Default Changelist" comment="" />
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+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1542225051268</updated>
+      <workItem from="1542225052648" duration="3148000" />
+      <workItem from="1542229206479" duration="698000" />
+      <workItem from="1542247102995" duration="6604000" />
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+    <servers />
+  </component>
+  <component name="TestHistory">
+    <history-entry file="MyArrayListTest - 2018.11.14 at 22h 25m 04s.xml">
+      <configuration name="MyArrayListTest" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="MyArrayListTest_testSizeAfterAddingOne - 2018.11.14 at 22h 27m 04s.xml">
+      <configuration name="MyArrayListTest.testSizeAfterAddingOne" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="MyArrayListTest - 2018.11.14 at 22h 32m 00s.xml">
+      <configuration name="MyArrayListTest" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="MyArrayListTest - 2018.11.14 at 22h 42m 31s.xml">
+      <configuration name="MyArrayListTest" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="MyArrayListTest - 2018.11.14 at 22h 43m 07s.xml">
+      <configuration name="MyArrayListTest" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="MyArrayListTest - 2018.11.14 at 22h 43m 29s.xml">
+      <configuration name="MyArrayListTest" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="MyArrayListTest - 2018.11.14 at 22h 44m 29s.xml">
+      <configuration name="MyArrayListTest" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="MyArrayListTest - 2018.11.14 at 22h 45m 33s.xml">
+      <configuration name="MyArrayListTest" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="MyArrayListTest - 2018.11.14 at 22h 53m 10s.xml">
+      <configuration name="MyArrayListTest" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="MyArrayListTest - 2018.11.14 at 22h 53m 24s.xml">
+      <configuration name="MyArrayListTest" configurationId="JUnit" />
+    </history-entry>
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="10450000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="0" y="0" width="1280" height="800" extended-state="0" />
+    <editor active="true" />
+    <layout>
+      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.25767368" />
+      <window_info id="Structure" order="1" side_tool="true" 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 active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.34246576" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.35342467" />
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+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info anchor="bottom" id="Version Control" order="7" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Database Changes" order="8" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Terminal" order="9" />
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+      </provider>
+    </entry>
+  </component>
 </project>

src/main/java/MyArrayList.java

@@ -0,0 +1,112 @@
+import java.lang.reflect.Array;
+
+public class MyArrayList<T>{
+
+    private T t;
+    private T[] myArrayList;
+
+    @SuppressWarnings("unchecked")
+    public MyArrayList(int size) {
+        this.myArrayList = (T[]) new Object[size];
+    }
+
+    @SuppressWarnings("unchecked")
+    public MyArrayList() {
+        this.myArrayList = (T[])new Object[0];
+    }
+
+    public T[] getMyArrayList() {
+        return myArrayList;
+    }
+
+    public void setMyArrayList(T[] myArrayList) {
+        this.myArrayList = myArrayList;
+    }
+
+    public T getT() {
+        return t;
+    }
+
+    public void setT(T t) {
+        this.t = t;
+    }
+
+    @SuppressWarnings("unchecked")
+    public void add(T element){
+        T[] output = (T[])new Object[myArrayList.length + 1];
+        for(int i = 0; i < myArrayList.length; i ++){
+            output[i] = myArrayList[i];
+        }
+        output[myArrayList.length] = element;
+
+        myArrayList = output;
+    }
+
+    @SuppressWarnings("unchecked")
+    public void add(int index, T element){
+        T[] output = (T[]) new Object[myArrayList.length + 1];
+        for(int i = 0; i < output.length; i++){
+            if(i < index){
+                output[i] = myArrayList[i];
+            }else if(i > index){
+                output[i] = myArrayList[i - 1];
+            }else{
+                output[index] = element;
+            }
+        }
+
+        myArrayList = output;
+    }
+
+    public T get(int index){
+        for(int i = 0; i < myArrayList.length; i++){
+            if(i == index){
+                return myArrayList[i];
+            }
+        }
+        return null;
+    }
+
+    public void remove(int index){
+        T[] output = (T[]) new Object[myArrayList.length - 1];
+        int counter = 0;
+
+        for(int i = 0; i < myArrayList.length; i++){
+            if(i != index){
+                output[counter] = myArrayList[i];
+                counter++;
+            }
+        }
+
+        myArrayList = output;
+    }
+
+    public void set(int index, T element){
+        myArrayList[index] = element;
+    }
+
+    public void clear(){
+        T[] output = (T[]) new Object[0];
+        myArrayList = output;
+    }
+
+    public boolean isEmpty(){
+        if(myArrayList.length == 0){
+            return true;
+        }
+        return false;
+    }
+
+    public boolean contains(T element){
+        for(int i = 0; i < myArrayList.length; i++){
+            if(element.equals(myArrayList[i])){
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public int size(){
+        return myArrayList.length;
+    }
+}

src/test/java/MyArrayListTest.java

@@ -0,0 +1,477 @@
+import org.junit.Assert;
+import org.junit.Test;
+
+public class MyArrayListTest {
+
+    @Test
+    public void testSizeConstructor(){
+        MyArrayList myArrayList = new MyArrayList(20);
+
+        int expected = 20;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testSizeBefore(){
+        MyArrayList myArrayList = new MyArrayList();
+
+        int expected = 0;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testSizeAfterAddingOne(){
+        MyArrayList myArrayList = new MyArrayList();
+
+        myArrayList.add(34566);
+
+        int expected = 1;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+
+
+
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testAddInt(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(34);
+
+        int expected = 1;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testAddString(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add("William");
+
+        int expected = 1;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testAddLong(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(304);
+
+        int expected = 1;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testAddDouble(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(34.5);
+
+        int expected = 1;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+
+
+
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testAddWithParamInt(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(1);
+        myArrayList.add(2);
+        myArrayList.add(3);
+        myArrayList.add(4);
+
+        myArrayList.add(2, 46);
+
+        int expected = 5;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testAddWithParamIntEmpty(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(0, 74);
+
+        int expected = 1;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testAddWithParamString(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(0, "William");
+
+        int expected = 1;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testAddWithParamLong(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(0, 704);
+
+        int expected = 1;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testAddWithParamDouble(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(0, 74.5);
+
+        int expected = 1;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+
+
+
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testGetInt(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(23);
+        myArrayList.add(6);
+        myArrayList.add(34);
+        myArrayList.add(98);
+        myArrayList.add(0);
+
+        Integer expected = 0;
+        Integer actual = (Integer) myArrayList.get(4);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testGetString(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add("a");
+        myArrayList.add("Word");
+        myArrayList.add("something");
+        myArrayList.add("ofCourse");
+        myArrayList.add("jawn");
+
+        String expected = "jawn";
+        String actual = (String) myArrayList.get(4);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testGetLong(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(233L);
+        myArrayList.add(62L);
+        myArrayList.add(334L);
+        myArrayList.add(984L);
+        myArrayList.add(302L);
+
+        Long expected = 62L;
+        Long actual = (Long) myArrayList.get(1);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testGetDouble(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(23);
+        myArrayList.add(6.5);
+        myArrayList.add(34);
+        myArrayList.add(98.5);
+        myArrayList.add(0);
+
+        Double expected = 98.5;
+        Double actual = (Double) myArrayList.get(3);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+
+
+
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testRemoveInt(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(1);
+        myArrayList.add(2);
+        myArrayList.add(3);
+        myArrayList.add(4);
+
+        myArrayList.remove(2);
+
+        int expected = 3;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testRemoveString(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add("This");
+        myArrayList.add("is");
+        myArrayList.add("so");
+        myArrayList.add("amazing");
+
+        myArrayList.remove(2);
+
+        int expected = 3;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testRemoveLong(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(1);
+        myArrayList.add(23);
+        myArrayList.add(3000);
+        myArrayList.add(4203);
+
+        myArrayList.remove(2);
+
+        int expected = 3;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testRemoveDouble(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(1.23);
+        myArrayList.add(2.4);
+        myArrayList.add(3.1);
+        myArrayList.add(4);
+
+        myArrayList.remove(2);
+
+        int expected = 3;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+
+
+
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testClearInt(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(1);
+        myArrayList.add(2);
+        myArrayList.add(3);
+        myArrayList.add(4);
+
+        myArrayList.clear();
+
+        int expected = 0;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testClearString(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add("This");
+        myArrayList.add("is");
+        myArrayList.add("so");
+        myArrayList.add("amazing");
+
+        myArrayList.clear();
+
+        int expected = 0;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testClearLong(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(1);
+        myArrayList.add(23);
+        myArrayList.add(3000);
+        myArrayList.add(4203);
+
+        myArrayList.clear();
+
+        int expected = 0;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testClearDouble(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(1.23);
+        myArrayList.add(2.4);
+        myArrayList.add(3.1);
+        myArrayList.add(4);
+
+        myArrayList.clear();
+
+        int expected = 0;
+        int actual = myArrayList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+
+
+
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testIsEmptyIntTrue(){
+        MyArrayList myArrayList = new MyArrayList();
+
+        Assert.assertTrue(myArrayList.isEmpty());
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testIsEmptyFalse(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(4);
+
+        Assert.assertFalse(myArrayList.isEmpty());
+    }
+
+
+
+
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testContainsIntTrue(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(4);
+
+        Assert.assertFalse(myArrayList.contains(3));
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testContainsFalse(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(4);
+
+        Assert.assertTrue(myArrayList.contains(4));
+    }
+
+
+
+
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testSetInt(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(1);
+        myArrayList.add(2);
+        myArrayList.add(3);
+        myArrayList.add(4);
+
+        myArrayList.set(2, 6);
+
+        Assert.assertEquals(4, myArrayList.size());
+        Assert.assertTrue(myArrayList.contains(6));
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testSetString(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add("Well");
+        myArrayList.add("Hello");
+        myArrayList.add("There");
+
+        myArrayList.set(2, "Oops");
+
+        Assert.assertEquals(3, myArrayList.size());
+        Assert.assertTrue(myArrayList.contains("Oops"));
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testSetLong(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(1234);
+        myArrayList.add(3222);
+        myArrayList.add(390);
+        myArrayList.add(4234);
+
+        myArrayList.set(2, 6);
+
+        Assert.assertEquals(4, myArrayList.size());
+        Assert.assertTrue(myArrayList.contains(6));
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    public void testSetDouble(){
+        MyArrayList myArrayList = new MyArrayList();
+        myArrayList.add(1.2);
+        myArrayList.add(2);
+        myArrayList.add(3.23);
+        myArrayList.add(4.7);
+
+        myArrayList.set(2, 6.23);
+
+        Assert.assertEquals(4, myArrayList.size());
+        Assert.assertTrue(myArrayList.contains(6.23));
+    }
+}