Instructor Student Classroom

.idea/uiDesigner.xml

@@ -0,0 +1,124 @@
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+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
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+          <preferred-size width="150" height="50" />
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+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
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+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
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+      </item>
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+          <preferred-size width="200" height="200" />
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+      </item>
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+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
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+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
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+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.png" removable="false" auto-create-binding="false" can-attach-label="false">
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+          <preferred-size width="-1" height="20" />
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+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
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+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>

.idea/workspace.xml

@@ -2,7 +2,17 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="8e76a78c-7b87-4795-997f-dbd651047f5b" name="Default Changelist" comment="">
-      <change afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/uiDesigner.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Educator.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/EducatorTest.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorsTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorsTest.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/PeopleTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/PeopleTest.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentsTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentsTest.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java" afterDir="false" />
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     <ignored path="$PROJECT_DIR$/target/" />
@@ -16,32 +26,39 @@
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       <usages-collector id="statistics.lifecycle.project">
         <counts>
-          <entry key="project.open.time.1" value="1" />
-          <entry key="project.opened" value="1" />
+          <entry key="project.closed" value="4" />
+          <entry key="project.open.time.1" value="2" />
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+          <entry key="project.opened" value="5" />
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       <usages-collector id="statistics.file.extensions.open">
         <counts>
           <entry key="iml" value="1" />
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+          <entry key="java" value="33" />
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       <usages-collector id="statistics.file.types.open">
         <counts>
           <entry key="IDEA_MODULE" value="1" />
-          <entry key="JAVA" value="20" />
+          <entry key="JAVA" value="33" />
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       <usages-collector id="statistics.file.types.edit">
         <counts>
-          <entry key="JAVA" value="6162" />
+          <entry key="JAVA" value="7800" />
+          <entry key="PLAIN_TEXT" value="3" />
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@@ -49,37 +66,44 @@
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     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java">
+        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java">
           <provider selected="true" editor-type-id="text-editor">
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+                <element signature="e#756#757#0" expanded="true" />
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         </entry>
       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Teacher.java">
+        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentsTest.java">
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             </state>
           </provider>
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       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java">
+        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPerson.java">
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       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentsTest.java">
+        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java">
           <provider selected="true" editor-type-id="text-editor">
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               <folding>
                 <element signature="imports" expanded="true" />
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@@ -87,20 +111,11 @@
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-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java">
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/EducatorTest.java">
           <provider selected="true" editor-type-id="text-editor">
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               <folding>
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@@ -109,31 +124,37 @@
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       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java">
+        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorTest.java">
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       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Student.java">
+        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/PeopleTest.java">
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+                <element signature="imports" expanded="true" />
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-      <file pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Person.java">
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Educator.java">
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-                <element signature="e#225#226#0" expanded="true" />
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+                <element signature="e#483#484#0" expanded="true" />
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+                <element signature="e#535#536#0" expanded="true" />
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@@ -142,8 +163,11 @@
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java">
           <provider selected="true" editor-type-id="text-editor">
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+              <caret line="42" selection-start-line="42" selection-end-line="42" />
+              <folding>
+                <element signature="imports" expanded="true" />
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             </state>
           </provider>
         </entry>
@@ -154,12 +178,14 @@
     <option name="RECENT_TEMPLATES">
       <list>
         <option value="Interface" />
+        <option value="Enum" />
         <option value="Class" />
       </list>
     </option>
   </component>
   <component name="FindInProjectRecents">
     <findStrings>
+      <find>Person</find>
       <find>Student</find>
     </findStrings>
   </component>
@@ -177,16 +203,19 @@
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         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPerson.java" />
         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestStudent.java" />
-        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java" />
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         <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Student.java" />
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         <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java" />
-        <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorsTest.java" />
-        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java" />
         <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java" />
         <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java" />
+        <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorsTest.java" />
+        <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentsTest.java" />
+        <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/PeopleTest.java" />
         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java" />
+        <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/educatorTest.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Educator.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java" />
+        <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/EducatorTest.java" />
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@@ -203,8 +232,8 @@
       </MavenImportingSettings>
     </option>
   </component>
-  <component name="ProjectFrameBounds" extendedState="6" fullScreen="true">
-    <option name="width" value="718" />
+  <component name="ProjectFrameBounds" fullScreen="true">
+    <option name="width" value="1440" />
     <option name="height" value="900" />
   </component>
   <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
@@ -213,6 +242,7 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
+      <pane id="PackagesPane" />
       <pane id="Scope" />
       <pane id="ProjectPane">
         <subPane>
@@ -272,13 +302,12 @@
           <select />
         </subPane>
       </pane>
-      <pane id="PackagesPane" />
     </panes>
   </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="1541426832861" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1541511561709" />
     <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
     <property name="nodejs_npm_path_reset_for_default_project" value="true" />
     <property name="project.structure.last.edited" value="Modules" />
@@ -303,8 +332,8 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="JUnit.ZipCodeWilmingtonTest.testHostLecture">
-    <configuration name="InstructorsTest.testInitializationSetupInstructors" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+  <component name="RunManager" selected="JUnit.EducatorTest.testTeach">
+    <configuration name="EducatorTest.testImplementation" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -313,14 +342,14 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.InstructorsTest" />
-      <option name="METHOD_NAME" value="testInitializationSetupInstructors" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.EducatorTest" />
+      <option name="METHOD_NAME" value="testImplementation" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="InstructorsTest.testSingletonInstance" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="EducatorTest.testInheritance" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -329,14 +358,14 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.InstructorsTest" />
-      <option name="METHOD_NAME" value="testSingletonInstance" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.EducatorTest" />
+      <option name="METHOD_NAME" value="testInheritance" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="StudentsTest.testInitializationSetupStudents" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="EducatorTest.testTeach" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -345,14 +374,14 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.StudentsTest" />
-      <option name="METHOD_NAME" value="testInitializationSetupStudents" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.EducatorTest" />
+      <option name="METHOD_NAME" value="testTeach" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="StudentsTest.testSingletonInstance" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="InstructorsTest.testInitializationSetupInstructors" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -361,14 +390,14 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.StudentsTest" />
-      <option name="METHOD_NAME" value="testSingletonInstance" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.InstructorsTest" />
+      <option name="METHOD_NAME" value="testInitializationSetupInstructors" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="ZipCodeWilmingtonTest.testHostLecture" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="InstructorsTest.testSingletonInstance" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -377,27 +406,27 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.ZipCodeWilmingtonTest" />
-      <option name="METHOD_NAME" value="testHostLecture" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.InstructorsTest" />
+      <option name="METHOD_NAME" value="testSingletonInstance" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
     <list>
-      <item itemvalue="JUnit.StudentsTest.testSingletonInstance" />
-      <item itemvalue="JUnit.StudentsTest.testInitializationSetupStudents" />
-      <item itemvalue="JUnit.InstructorsTest.testSingletonInstance" />
       <item itemvalue="JUnit.InstructorsTest.testInitializationSetupInstructors" />
-      <item itemvalue="JUnit.ZipCodeWilmingtonTest.testHostLecture" />
+      <item itemvalue="JUnit.InstructorsTest.testSingletonInstance" />
+      <item itemvalue="JUnit.EducatorTest.testImplementation" />
+      <item itemvalue="JUnit.EducatorTest.testInheritance" />
+      <item itemvalue="JUnit.EducatorTest.testTeach" />
     </list>
     <recent_temporary>
       <list>
-        <item itemvalue="JUnit.ZipCodeWilmingtonTest.testHostLecture" />
+        <item itemvalue="JUnit.EducatorTest.testTeach" />
+        <item itemvalue="JUnit.EducatorTest.testImplementation" />
+        <item itemvalue="JUnit.EducatorTest.testInheritance" />
         <item itemvalue="JUnit.InstructorsTest.testSingletonInstance" />
         <item itemvalue="JUnit.InstructorsTest.testInitializationSetupInstructors" />
-        <item itemvalue="JUnit.StudentsTest.testInitializationSetupStudents" />
-        <item itemvalue="JUnit.StudentsTest.testSingletonInstance" />
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     </recent_temporary>
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@@ -412,43 +441,47 @@
       <option name="presentableId" value="Default" />
       <updated>1541259749319</updated>
       <workItem from="1541259750795" duration="14351000" />
+      <workItem from="1541442092999" duration="2188000" />
+      <workItem from="1541455763169" duration="27000" />
+      <workItem from="1541461102095" duration="4756000" />
+      <workItem from="1541508845728" duration="2139000" />
     </task>
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="PeopleTest_testGetArray - 2018.11.03 at 14h 53m 54s.xml">
-      <configuration name="PeopleTest.testGetArray" configurationId="JUnit" />
+    <history-entry file="StudentsTest - 2018.11.05 at 19h 41m 28s.xml">
+      <configuration name="StudentsTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="PeopleTest_testGetArray - 2018.11.03 at 14h 54m 35s.xml">
-      <configuration name="PeopleTest.testGetArray" configurationId="JUnit" />
+    <history-entry file="ZipCodeWilmingtonTest - 2018.11.05 at 19h 41m 37s.xml">
+      <configuration name="ZipCodeWilmingtonTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="PeopleTest_testGetArray - 2018.11.03 at 14h 55m 53s.xml">
-      <configuration name="PeopleTest.testGetArray" configurationId="JUnit" />
+    <history-entry file="PeopleTest - 2018.11.05 at 19h 54m 16s.xml">
+      <configuration name="PeopleTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="PeopleTest_testRemoveAll - 2018.11.03 at 14h 59m 43s.xml">
-      <configuration name="PeopleTest.testRemoveAll" configurationId="JUnit" />
+    <history-entry file="educatorTest_educatorTest - 2018.11.06 at 08h 17m 14s.xml">
+      <configuration name="educatorTest.educatorTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="PeopleTest_testRemoveAll - 2018.11.03 at 15h 01m 01s.xml">
-      <configuration name="PeopleTest.testRemoveAll" configurationId="JUnit" />
+    <history-entry file="educatorTest_educatorTest - 2018.11.06 at 08h 17m 25s.xml">
+      <configuration name="educatorTest.educatorTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="StudentsTest_testSingletonInstance - 2018.11.03 at 15h 27m 27s.xml">
-      <configuration name="StudentsTest.testSingletonInstance" configurationId="JUnit" />
+    <history-entry file="InstructorsTest_testInitializationSetupInstructors - 2018.11.06 at 08h 28m 32s.xml">
+      <configuration name="InstructorsTest.testInitializationSetupInstructors" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="StudentsTest_testInitializationSetupStudents - 2018.11.03 at 16h 19m 21s.xml">
-      <configuration name="StudentsTest.testInitializationSetupStudents" configurationId="JUnit" />
+    <history-entry file="InstructorsTest_testSingletonInstance - 2018.11.06 at 08h 28m 35s.xml">
+      <configuration name="InstructorsTest.testSingletonInstance" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="StudentsTest_testInitializationSetupStudents - 2018.11.03 at 16h 20m 23s.xml">
-      <configuration name="StudentsTest.testInitializationSetupStudents" configurationId="JUnit" />
+    <history-entry file="EducatorTest_testImplementation - 2018.11.06 at 08h 34m 42s.xml">
+      <configuration name="EducatorTest.testImplementation" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="InstructorsTest_testInitializationSetupInstructors - 2018.11.03 at 16h 30m 42s.xml">
-      <configuration name="InstructorsTest.testInitializationSetupInstructors" configurationId="JUnit" />
+    <history-entry file="EducatorTest_testInheritance - 2018.11.06 at 08h 35m 30s.xml">
+      <configuration name="EducatorTest.testInheritance" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="InstructorsTest_testSingletonInstance - 2018.11.03 at 16h 30m 44s.xml">
-      <configuration name="InstructorsTest.testSingletonInstance" configurationId="JUnit" />
+    <history-entry file="EducatorTest_testTeach - 2018.11.06 at 08h 35m 49s.xml">
+      <configuration name="EducatorTest.testTeach" configurationId="JUnit" />
     </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="15183000" />
+    <option name="totallyTimeSpent" value="25286000" />
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   <component name="ToolWindowManager">
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@@ -459,7 +492,7 @@
       <window_info id="UI Designer" order="2" />
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       <window_info id="Capture Tool" order="4" />
-      <window_info active="true" content_ui="combo" id="Project" order="5" visible="true" weight="0.2532189" />
+      <window_info content_ui="combo" id="Project" order="5" visible="true" weight="0.1988555" />
       <window_info id="Structure" order="6" side_tool="true" weight="0.25" />
       <window_info id="Favorites" order="7" side_tool="true" />
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@@ -468,9 +501,9 @@
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       <window_info anchor="bottom" id="Find" order="5" />
-      <window_info anchor="bottom" id="Run" order="6" visible="true" weight="0.32891566" />
+      <window_info anchor="bottom" id="Run" order="6" weight="0.32891566" />
       <window_info anchor="bottom" id="Debug" order="7" weight="0.4" />
-      <window_info anchor="bottom" id="Messages" order="8" weight="0.32891566" />
+      <window_info active="true" anchor="bottom" id="Messages" order="8" visible="true" weight="0.32891566" />
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@@ -490,7 +523,7 @@
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       <window_info id="Capture Tool" order="4" />
-      <window_info content_ui="combo" id="Project" order="5" visible="true" weight="0.24964234" />
+      <window_info content_ui="combo" id="Project" order="5" weight="0.19599427" />
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       <window_info id="Favorites" order="7" side_tool="true" />
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@@ -499,9 +532,9 @@
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       <window_info anchor="bottom" id="Find" order="5" />
-      <window_info anchor="bottom" id="Run" order="6" weight="0.32891566" />
+      <window_info active="true" anchor="bottom" id="Run" order="6" visible="true" weight="0.32891566" />
       <window_info anchor="bottom" id="Debug" order="7" weight="0.4" />
-      <window_info active="true" anchor="bottom" id="Messages" order="8" visible="true" weight="0.32891566" />
+      <window_info anchor="bottom" id="Messages" order="8" weight="0.32891566" />
       <window_info anchor="bottom" id="Cvs" order="9" weight="0.25" />
       <window_info anchor="bottom" id="Inspection" order="10" weight="0.4" />
       <window_info anchor="bottom" id="TODO" order="11" />
@@ -541,136 +574,159 @@
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     <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/Teacher.java" />
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorTest.java">
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestStudent.java">
       <provider selected="true" editor-type-id="text-editor">
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-            <element signature="e#450#451#0" expanded="true" />
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+        <state relative-caret-position="315">
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-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPerson.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Person.java">
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+        <state relative-caret-position="180">
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             <element signature="e#225#226#0" expanded="true" />
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+            <element signature="e#253#254#0" expanded="true" />
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-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/PeopleTest.java">
+    <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="-131" />
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Student.java">
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-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentsTest.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java">
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-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorsTest.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java">
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         <state relative-caret-position="165">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Teacher.java">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java">
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-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestStudent.java">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Teacher.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="30">
-          <caret line="2" column="17" selection-start-line="2" selection-start-column="17" selection-end-line="2" selection-end-column="17" />
+        <state relative-caret-position="465">
+          <caret line="42" selection-start-line="42" selection-end-line="42" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Student.java">
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentsTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="30">
-          <caret line="2" column="35" selection-start-line="2" selection-start-column="35" selection-end-line="2" selection-end-column="35" />
+        <state relative-caret-position="135">
+          <caret line="9" column="41" selection-start-line="9" selection-start-column="41" selection-end-line="9" selection-end-column="41" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java">
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="90">
-          <caret line="9" column="8" selection-start-line="9" selection-start-column="8" selection-end-line="9" selection-end-column="8" />
+        <state relative-caret-position="367">
+          <caret line="33" column="5" lean-forward="true" selection-start-line="15" selection-start-column="4" selection-end-line="33" selection-end-column="5" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="240">
+          <caret line="16" column="5" lean-forward="true" selection-start-line="16" selection-start-column="5" selection-end-line="16" selection-end-column="5" />
+          <folding>
+            <element signature="e#725#726#0" expanded="true" />
+            <element signature="e#756#757#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorsTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="45">
-          <caret line="3" column="13" selection-start-line="3" selection-start-column="13" selection-end-line="3" selection-end-column="13" />
+        <state relative-caret-position="105">
+          <caret line="8" column="8" lean-forward="true" selection-start-line="8" selection-start-column="8" selection-end-line="9" selection-end-column="59" />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="150">
-          <caret line="10" selection-start-line="10" selection-end-line="10" />
+        <state relative-caret-position="300">
+          <caret line="20" column="5" selection-start-line="20" selection-start-column="5" selection-end-line="20" selection-end-column="5" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Person.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Educator.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="195">
-          <caret line="13" column="20" selection-start-line="13" selection-start-column="20" selection-end-line="13" selection-end-column="20" />
+        <state relative-caret-position="270">
+          <caret line="18" column="35" selection-start-line="18" selection-start-column="35" selection-end-line="18" selection-end-column="35" />
           <folding>
-            <element signature="e#225#226#0" expanded="true" />
-            <element signature="e#253#254#0" expanded="true" />
+            <element signature="e#483#484#0" expanded="true" />
+            <element signature="e#510#511#0" expanded="true" />
+            <element signature="e#535#536#0" expanded="true" />
+            <element signature="e#566#567#0" expanded="true" />
+            <element signature="e#593#594#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/EducatorTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="315">
+          <caret line="21" column="16" selection-start-line="21" selection-start-column="16" selection-end-line="21" selection-end-column="16" />
+          <folding>
+            <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>

src/main/java/io/zipcoder/interfaces/Educator.java

@@ -0,0 +1,44 @@
+package io.zipcoder.interfaces;
+
+public enum Educator implements Teacher {
+    KRIS(100, "Kris Younger"),
+    NHU(101, "Nhu Nguyen"),
+    FROILAN(102, "Froilan Miranda"),
+    DOLIO(103, "L. Dolio Durant"),
+    WILHEM(104, "Wilhem Alcivar");
+
+    private double timeWorked = 0;
+    private long id;
+    private String name;
+
+    Educator(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public double getTimeWorked() {
+        return timeWorked;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public void teach(Learner learner, double numberOfHours) {
+        learner.learn(numberOfHours);
+        timeWorked += numberOfHours;
+    }
+
+    @Override
+    public void lecture(Learner[] learners, double numberOfHours) {
+        for (Learner learner : learners) {
+            learner.learn(numberOfHours/learners.length);
+        }
+        timeWorked += numberOfHours;
+    }
+}

src/main/java/io/zipcoder/interfaces/Instructors.java

@@ -1,21 +1,33 @@
 package io.zipcoder.interfaces;
 
-public final class Instructors {
+public final class Instructors extends People<Instructor> {
 
     private final static Instructors INSTANCE = new Instructors();
-    People instructorList;
+    Educator[] educatorValues = Educator.values();
 
     private Instructors() {
-        instructorList = new People();
-        instructorList.add(new Instructor(100, "Kris Younger"));
-        instructorList.add(new Instructor(101, "Nhu Nguyen"));
-        instructorList.add(new Instructor(102, "Froilan Miranda"));
-        instructorList.add(new Instructor(103, "L. Dolio Durant"));
-        instructorList.add(new Instructor(104, "Wilhem Alcivar"));
+        for (Educator e : educatorValues) {
+            personList.add(new Instructor(e.getId(), e.getName()));
+        }
+//        personList.add(new Instructor(100, "Kris Younger"));
+//        personList.add(new Instructor(101, "Nhu Nguyen"));
+//        personList.add(new Instructor(102, "Froilan Miranda"));
+//        personList.add(new Instructor(103, "L. Dolio Durant"));
+//        personList.add(new Instructor(104, "Wilhem Alcivar"));
     }
 
     public static Instructors getInstance() {
         return INSTANCE;
     }
 
+    @Override
+    public Instructor[] getArray() {
+        Instructor[] instructors = new Instructor[personList.size()];
+        int count = 0;
+        for (Instructor instructor : personList) {
+            instructors[count] = instructor;
+            count++;
+        }
+        return instructors;
+    }
 }

src/main/java/io/zipcoder/interfaces/People.java

@@ -1,11 +1,12 @@
 package io.zipcoder.interfaces;
 
+import java.lang.reflect.Array;
 import java.util.ArrayList;
 
-public class People {
-    ArrayList<Person> personList = new ArrayList<Person>();
+public abstract class People<E extends Person> {
+    ArrayList<E> personList = new ArrayList<E>();
 
-    public void add(Person person) {
+    public void add(E person) {
         personList.add(person);
     }
 
@@ -13,17 +14,17 @@ public class People {
         return personList.size();
     }
 
-    public void remove(Person person) {
-        personList.removeIf(Person -> Person.equals(person));
+    public void remove(E person) {
+        personList.removeIf(E -> E.equals(person));
     }
 
     public void remove(long i) {
-        personList.removeIf(Person -> Person.getID() == i);
+        personList.removeIf(E -> E.getID() == i);
     }
 
-    public Person findByID(long id) {
-        Person personToFind = null;
-        for (Person person : personList) {
+    public E findByID(long id) {
+        E personToFind = null;
+        for (E person : personList) {
             if (person.getID() == id) {
                 personToFind = person;
             }
@@ -31,11 +32,12 @@ public class People {
         return personToFind;
     }
 
-    public Person[] getArray() {
-        return personList.toArray(new Person[getCount()]);
-    }
+
+    public abstract E[] getArray();
+//        return personList.toArray(new Person[getCount()]);
+
 
     public void removeAll() {
         personList.removeAll(personList);
     }
-}
+}

src/main/java/io/zipcoder/interfaces/Students.java

@@ -1,55 +1,69 @@
 package io.zipcoder.interfaces;
 
-public final class Students {
+public final class Students extends People<Student> {
 
     private final static Students INSTANCE = new Students();
-    People studentList;
+//    Students studentList;
 
     private Students() {
-        studentList = new People();
-        studentList.add(new Student(1, "Ned Redmond"));
-        studentList.add(new Student(2, "Seth Abrams"));
-        studentList.add(new Student(3, "Akeem Cherry"));
-        studentList.add(new Student(4, "Whitney Martinez"));
-        studentList.add(new Student(5, "Nira Parikh"));
-        studentList.add(new Student(6, "Connor Dunnigan"));
-        studentList.add(new Student(7, "Christian Sheridan"));
-        studentList.add(new Student(8, "Curtis Cook"));
-        studentList.add(new Student(9, "Nuridalia Hernandez"));
-        studentList.add(new Student(10, "Brandon DeFrancis"));
-        studentList.add(new Student(11, "De'Jon Johnson"));
-        studentList.add(new Student(12, "Demetrius Murray"));
-        studentList.add(new Student(13, "Elliott Stansbury"));
-        studentList.add(new Student(14, "Nathan Hall"));
-        studentList.add(new Student(15, "Jae Joson"));
-        studentList.add(new Student(16, "Jacob Anderson"));
-        studentList.add(new Student(17, "Jose Bedolla"));
-        studentList.add(new Student(18, "Jenn Chao"));
-        studentList.add(new Student(19, "Jennifer Tinkler"));
-        studentList.add(new Student(20, "Jonathan Hinds"));
-        studentList.add(new Student(21, "Jay Samuels"));
-        studentList.add(new Student(22, "Jevit Tith"));
-        studentList.add(new Student(23, "Lauren Green"));
-        studentList.add(new Student(24, "Kate Moore"));
-        studentList.add(new Student(25, "Michelle DiMarino"));
-        studentList.add(new Student(26, "Maggie Pierse"));
-        studentList.add(new Student(27, "Nick Satinover"));
-        studentList.add(new Student(28, "Chaitali Patel"));
-        studentList.add(new Student(29, "Yesoda Sanka"));
-        studentList.add(new Student(30, "Saurav Kamath"));
-        studentList.add(new Student(31, "Sam Bhutani"));
-        studentList.add(new Student(32, "Soujanya Buragapu"));
-        studentList.add(new Student(33, "Steffon Williams"));
-        studentList.add(new Student(34, "Zavon Malone"));
-        studentList.add(new Student(35, "Thuy Kong"));
-        studentList.add(new Student(36, "Thulasi Puppala"));
-        studentList.add(new Student(37, "Trinh Tong"));
-        studentList.add(new Student(38, "William Brown"));
-        studentList.add(new Student(39, "Xzavia Cuello"));
+//        studentList = new Students();
+        personList.add(new Student(1, "Ned Redmond"));
+        personList.add(new Student(2, "Seth Abrams"));
+        personList.add(new Student(3, "Akeem Cherry"));
+        personList.add(new Student(4, "Whitney Martinez"));
+        personList.add(new Student(5, "Nira Parikh"));
+        personList.add(new Student(6, "Connor Dunnigan"));
+        personList.add(new Student(7, "Christian Sheridan"));
+        personList.add(new Student(8, "Curtis Cook"));
+        personList.add(new Student(9, "Nuridalia Hernandez"));
+        personList.add(new Student(10, "Brandon DeFrancis"));
+        personList.add(new Student(11, "De'Jon Johnson"));
+        personList.add(new Student(12, "Demetrius Murray"));
+        personList.add(new Student(13, "Elliott Stansbury"));
+        personList.add(new Student(14, "Nathan Hall"));
+        personList.add(new Student(15, "Jae Joson"));
+        personList.add(new Student(16, "Jacob Anderson"));
+        personList.add(new Student(17, "Jose Bedolla"));
+        personList.add(new Student(18, "Jenn Chao"));
+        personList.add(new Student(19, "Jennifer Tinkler"));
+        personList.add(new Student(20, "Jonathan Hinds"));
+        personList.add(new Student(21, "Jay Samuels"));
+        personList.add(new Student(22, "Jevit Tith"));
+        personList.add(new Student(23, "Lauren Green"));
+        personList.add(new Student(24, "Kate Moore"));
+        personList.add(new Student(25, "Michelle DiMarino"));
+        personList.add(new Student(26, "Maggie Pierse"));
+        personList.add(new Student(27, "Nick Satinover"));
+        personList.add(new Student(28, "Chaitali Patel"));
+        personList.add(new Student(29, "Yesoda Sanka"));
+        personList.add(new Student(30, "Saurav Kamath"));
+        personList.add(new Student(31, "Sam Bhutani"));
+        personList.add(new Student(32, "Soujanya Buragapu"));
+        personList.add(new Student(33, "Steffon Williams"));
+        personList.add(new Student(34, "Zavon Malone"));
+        personList.add(new Student(35, "Thuy Kong"));
+        personList.add(new Student(36, "Thulasi Puppala"));
+        personList.add(new Student(37, "Trinh Tong"));
+        personList.add(new Student(38, "William Brown"));
+        personList.add(new Student(39, "Xzavia Cuello"));
     }
 
     public static Students getInstance() {
         return INSTANCE;
     }
 
+    @Override
+    public Student[] getArray() {
+        Student[] students = new Student[personList.size()];
+        int count = 0;
+        for (Student student : personList) {
+            students[count] = student;
+            count++;
+        }
+        return students;
+    }
+
+//    @Override
+//    public Student[] getArray() {
+//        return personList.toArray(new Student[getCount()]);    }
 }

src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java

@@ -7,13 +7,13 @@ public enum ZipCodeWilmington {
     Instructors instructors = Instructors.getInstance();
 
     public void hostLecture(Teacher teacher, double numberOfHours) {
-        Student[] studentsArray = (Student[]) students.studentList.getArray();
+        Student[] studentsArray = students.getArray();
         teacher.lecture(studentsArray, numberOfHours);
     }
 
     public void hostLecture(long id, double numberOfHours) {
-        Student[] studentsArray = (Student[]) students.studentList.getArray();
-        Teacher teacher = (Teacher) instructors.instructorList.findByID(id);
+        Student[] studentsArray = students.getArray();
+        Teacher teacher = instructors.findByID(id);
         teacher.lecture(studentsArray, numberOfHours);
     }
 

src/test/java/io/zipcoder/interfaces/EducatorTest.java

@@ -0,0 +1,28 @@
+package io.zipcoder.interfaces;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+public class EducatorTest {
+
+    @Test
+    public void testImplementation(){
+        Educator educator = Educator.DOLIO;
+
+        Assert.assertTrue(educator instanceof Teacher);
+    }
+
+    @Test
+    public void testTeach(){
+        Educator educator = Educator.NHU;
+
+        Student student = new Student(1);
+        double before = student.getTotalStudyTime();
+        educator.teach(student, 3);
+        double after = student.getTotalStudyTime();
+
+        Assert.assertTrue(after-before == 3);
+    }
+
+}

src/test/java/io/zipcoder/interfaces/InstructorsTest.java

@@ -7,7 +7,7 @@ public class InstructorsTest {
 
     @Test public void testInitializationSetupInstructors() {
         Instructors instructors = Instructors.getInstance();
-        Person[] InstructorsArray = instructors.instructorList.getArray();
+        Person[] InstructorsArray = instructors.getArray();
 
         int actual = InstructorsArray.length;
         int expected = 5;

src/test/java/io/zipcoder/interfaces/PeopleTest.java

@@ -6,22 +6,22 @@ import org.junit.Test;
 
 public class PeopleTest {
 
-    People people;
+    Students people;
 
     @Before public void setup() {
-        people = new People();
+        people = Students.getInstance();
     }
 
     @Test public void testAdd() {
-        Person person = new Person(1);
+        Student person = new Student(1);
         people.personList.add(person);
 
         Assert.assertNotNull(people.personList.get(0));
     }
 
     @Test public void testAdd2() {
-        Person one = new Person(1);
-        Person two = new Person(2);
+        Student one = new Student(1);
+        Student two = new Student(2);
 
         people.personList.add(one);
         people.personList.add(two);
@@ -32,10 +32,10 @@ public class PeopleTest {
         Assert.assertEquals(expected,actual);
     }
 
-    @Test public void testRemoveByPerson() {
-        Person one = new Person(1);
-        Person two = new Person(2);
-        Person three = new Person(3);
+    @Test public void testRemoveByStudent() {
+        Student one = new Student(1);
+        Student two = new Student(2);
+        Student three = new Student(3);
 
         people.personList.add(one);
         people.personList.add(two);
@@ -49,9 +49,9 @@ public class PeopleTest {
     }
 
     @Test public void testRemoveByID() {
-        Person one = new Person(1);
-        Person two = new Person(2);
-        Person three = new Person(3);
+        Student one = new Student(1);
+        Student two = new Student(2);
+        Student three = new Student(3);
 
         people.personList.add(one);
         people.personList.add(two);
@@ -65,30 +65,30 @@ public class PeopleTest {
     }
 
     @Test public void testFindByID() {
-        Person one = new Person(1);
-        Person two = new Person(2);
-        Person three = new Person(3);
+        Student one = new Student(1);
+        Student two = new Student(2);
+        Student three = new Student(3);
 
         people.personList.add(one);
         people.personList.add(two);
         people.personList.add(three);
 
-        Person actual = people.findByID(2);
-        Person expected = two;
+        Student actual = people.findByID(2);
+        Student expected = two;
 
         Assert.assertEquals(expected, actual);
     }
 
     @Test public void testGetArray() {
-        Person one = new Person(1);
-        Person two = new Person(2);
-        Person three = new Person(3);
+        Student one = new Student(1);
+        Student two = new Student(2);
+        Student three = new Student(3);
 
         people.personList.add(one);
         people.personList.add(two);
         people.personList.add(three);
 
-        Person[] personArray = people.getArray();
+        Student[] personArray = people.getArray();
         boolean allAccountedFor = true;
 
         for (int i = 0; i < personArray.length; i++) {
@@ -101,9 +101,9 @@ public class PeopleTest {
     }
 
     @Test public void testRemoveAll() {
-        Person one = new Person(1);
-        Person two = new Person(2);
-        Person three = new Person(3);
+        Student one = new Student(1);
+        Student two = new Student(2);
+        Student three = new Student(3);
 
         people.personList.add(one);
         people.personList.add(two);

src/test/java/io/zipcoder/interfaces/StudentsTest.java

@@ -7,7 +7,7 @@ public class StudentsTest {
 
     @Test public void testInitializationSetupStudents() {
         Students students = Students.getInstance();
-        Person[] studentArray = students.studentList.getArray();
+        Person[] studentArray = students.getArray();
 
         int actual = studentArray.length;
         int expected = 39;

src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java

@@ -8,14 +8,16 @@ public class ZipCodeWilmingtonTest {
     @Test
     public void testHostLecture() {
         ZipCodeWilmington zcw = ZipCodeWilmington.INSTANCE;
-        Student[] studentsArray = (Student[]) zcw.students.studentList.getArray();
-        Instructor[] instructorsArray = (Instructor[]) zcw.instructors.instructorList.getArray();
+        Student[] studentsArray = zcw.students.getArray();
+        Instructor[] instructorsArray = zcw.instructors.getArray();
 
         double before = studentsArray[0].getTotalStudyTime();
-        zcw.hostLecture(instructorsArray[0], 1);
+        System.out.println(before);
+        zcw.hostLecture(instructorsArray[0], 390);
         double after = studentsArray[0].getTotalStudyTime();
+        System.out.println(after);
 
-        Assert.assertTrue(after-before == 1/39);
+        Assert.assertTrue(after-before == 10);
     }
 
 }