part 10 complete

.idea/workspace.xml

@@ -2,9 +2,13 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="3954aa81-5cd3-4793-bed6-30801837f5cd" name="Default Changelist" comment="">
-      <change afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.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/TestPeople.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPeople.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.java" afterDir="false" />
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     <ignored path="$PROJECT_DIR$/target/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -13,6 +17,11 @@
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
+  <component name="CoverageDataManager">
+    <SUITE FILE_PATH="coverage/interfaces_1$TestPeople.ic" NAME="TestPeople Coverage Results" MODIFIED="1541338793223" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="idea" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false">
+      <FILTER>io.zipcoder.interfaces.*</FILTER>
+    </SUITE>
+  </component>
   <component name="FUSProjectUsageTrigger">
     <session id="-1127968663">
       <usages-collector id="statistics.lifecycle.project">
@@ -25,22 +34,22 @@
       </usages-collector>
       <usages-collector id="statistics.file.extensions.open">
         <counts>
-          <entry key="java" value="38" />
+          <entry key="java" value="50" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.open">
         <counts>
-          <entry key="JAVA" value="38" />
+          <entry key="JAVA" value="50" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.extensions.edit">
         <counts>
-          <entry key="java" value="3859" />
+          <entry key="java" value="4410" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.edit">
         <counts>
-          <entry key="JAVA" value="3859" />
+          <entry key="JAVA" value="4410" />
         </counts>
       </usages-collector>
     </session>
@@ -48,10 +57,10 @@
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestStudents.java">
+        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="75">
-              <caret line="5" column="27" selection-start-line="5" selection-start-column="27" selection-end-line="5" selection-end-column="27" />
+            <state relative-caret-position="165">
+              <caret line="11" column="8" selection-start-line="11" selection-start-column="8" selection-end-line="13" selection-end-column="55" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -59,11 +68,11 @@
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructors.java">
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPeople.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="390">
-              <caret line="26" lean-forward="true" selection-start-line="26" selection-end-line="26" />
+            <state relative-caret-position="1095">
+              <caret line="73" column="5" selection-start-line="73" selection-start-column="5" selection-end-line="73" selection-end-column="5" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -72,53 +81,10 @@
         </entry>
       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Learner.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="30">
-              <caret line="2" column="17" selection-start-line="2" selection-start-column="17" selection-end-line="2" selection-end-column="17" />
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-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="165">
-              <caret line="11" lean-forward="true" selection-start-line="11" selection-end-line="11" />
-              <folding>
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-                <element signature="e#423#424#0" expanded="true" />
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-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Teacher.java">
+        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="30">
-              <caret line="2" column="17" selection-start-line="2" selection-start-column="17" selection-end-line="2" selection-end-column="17" />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="75">
-              <caret line="6" column="22" selection-start-line="6" selection-start-column="22" selection-end-line="6" selection-end-column="22" />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="225">
-              <caret line="15" selection-start-line="15" selection-end-line="16" selection-end-column="57" />
-              <folding>
-                <element signature="imports" expanded="true" />
-              </folding>
+            <state relative-caret-position="360">
+              <caret line="24" column="4" selection-start-line="24" selection-start-column="4" selection-end-line="35" selection-end-column="5" />
             </state>
           </provider>
         </entry>
@@ -126,37 +92,15 @@
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="60">
-              <caret line="4" column="7" selection-start-line="4" selection-start-column="7" selection-end-line="4" selection-end-column="7" />
+            <state relative-caret-position="555">
+              <caret line="45" column="35" selection-start-line="45" selection-start-column="35" selection-end-line="45" selection-end-column="35" />
               <folding>
-                <element signature="e#152#160#0" expanded="true" />
-                <element signature="e#173#174#0" expanded="true" />
-                <element signature="e#229#230#0" expanded="true" />
-                <element signature="e#753#754#0" expanded="true" />
-                <element signature="e#793#794#0" expanded="true" />
+                <element signature="imports" expanded="true" />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Person.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="135">
-              <caret line="9" column="25" selection-start-line="9" selection-start-column="25" selection-end-line="9" selection-end-column="25" />
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-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Student.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="285">
-              <caret line="19" column="35" lean-forward="true" selection-start-line="19" selection-start-column="35" selection-end-line="19" selection-end-column="35" />
-            </state>
-          </provider>
-        </entry>
-      </file>
     </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
@@ -181,14 +125,14 @@
         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructor.java" />
         <option value="$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$/src/test/java/io/zipcoder/interfaces/TestPeople.java" />
-        <option value="$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$/src/main/java/io/zipcoder/interfaces/Instructors.java" />
         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestStudents.java" />
         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructors.java" />
         <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java" />
         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.java" />
+        <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPeople.java" />
       </list>
     </option>
   </component>
@@ -206,7 +150,7 @@
     </option>
   </component>
   <component name="ProjectFrameBounds">
-    <option name="x" value="289" />
+    <option name="x" value="400" />
     <option name="y" value="23" />
     <option name="width" value="1280" />
     <option name="height" value="958" />
@@ -282,7 +226,7 @@
   <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="1541336668387" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1541338954677" />
     <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
     <property name="nodejs_npm_path_reset_for_default_project" value="true" />
   </component>
@@ -298,8 +242,8 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="JUnit.TestZipCodeWilmington.testHostLecture">
-    <configuration name="TestInstructors" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+  <component name="RunManager" selected="JUnit.TestPeople.testAdd">
+    <configuration name="TestPeople" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -308,12 +252,12 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestInstructors" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestPeople" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestPeople" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestPeople.testAdd" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -323,11 +267,13 @@
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
       <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestPeople" />
+      <option name="METHOD_NAME" value="testAdd" />
+      <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestStudents.testInitializationSetupStudents" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestPeople.testFindById" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -336,14 +282,14 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestStudents" />
-      <option name="METHOD_NAME" value="testInitializationSetupStudents" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestPeople" />
+      <option name="METHOD_NAME" value="testFindById" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestStudents.testSingletonInstance" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestPeople.testRemoveById" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -352,14 +298,14 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestStudents" />
-      <option name="METHOD_NAME" value="testSingletonInstance" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestPeople" />
+      <option name="METHOD_NAME" value="testRemoveById" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestZipCodeWilmington.testHostLecture" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestPeople.testRemoveByPerson" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -368,27 +314,27 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestZipCodeWilmington" />
-      <option name="METHOD_NAME" value="testHostLecture" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestPeople" />
+      <option name="METHOD_NAME" value="testRemoveByPerson" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
     <list>
-      <item itemvalue="JUnit.TestStudents.testSingletonInstance" />
-      <item itemvalue="JUnit.TestStudents.testInitializationSetupStudents" />
+      <item itemvalue="JUnit.TestPeople.testAdd" />
       <item itemvalue="JUnit.TestPeople" />
-      <item itemvalue="JUnit.TestInstructors" />
-      <item itemvalue="JUnit.TestZipCodeWilmington.testHostLecture" />
+      <item itemvalue="JUnit.TestPeople.testFindById" />
+      <item itemvalue="JUnit.TestPeople.testRemoveById" />
+      <item itemvalue="JUnit.TestPeople.testRemoveByPerson" />
     </list>
     <recent_temporary>
       <list>
-        <item itemvalue="JUnit.TestZipCodeWilmington.testHostLecture" />
-        <item itemvalue="JUnit.TestInstructors" />
-        <item itemvalue="JUnit.TestStudents.testInitializationSetupStudents" />
+        <item itemvalue="JUnit.TestPeople.testAdd" />
+        <item itemvalue="JUnit.TestPeople.testRemoveByPerson" />
+        <item itemvalue="JUnit.TestPeople.testRemoveById" />
+        <item itemvalue="JUnit.TestPeople.testFindById" />
         <item itemvalue="JUnit.TestPeople" />
-        <item itemvalue="JUnit.TestStudents.testSingletonInstance" />
       </list>
     </recent_temporary>
   </component>
@@ -403,50 +349,50 @@
       <option name="presentableId" value="Default" />
       <updated>1541262509774</updated>
       <workItem from="1541262511510" duration="3549000" />
-      <workItem from="1541332724773" duration="3863000" />
+      <workItem from="1541332724773" duration="6000000" />
     </task>
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="TestStudents_testInitializationSetupStudents - 2018.11.03 at 18h 57m 29s.xml">
-      <configuration name="TestStudents.testInitializationSetupStudents" configurationId="JUnit" />
-    </history-entry>
-    <history-entry file="TestStudents_testInitializationSetupStudents - 2018.11.03 at 18h 58m 06s.xml">
-      <configuration name="TestStudents.testInitializationSetupStudents" configurationId="JUnit" />
-    </history-entry>
-    <history-entry file="TestStudents_testInitializationSetupStudents - 2018.11.04 at 06h 59m 09s.xml">
-      <configuration name="TestStudents.testInitializationSetupStudents" configurationId="JUnit" />
-    </history-entry>
-    <history-entry file="TestStudents_testInitializationSetupStudents - 2018.11.04 at 07h 01m 23s.xml">
-      <configuration name="TestStudents.testInitializationSetupStudents" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.04 at 08h 04m 09s.xml">
+      <configuration name="TestZipCodeWilmington.testHostLecture" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestStudents_testInitializationSetupStudents - 2018.11.04 at 07h 25m 26s.xml">
-      <configuration name="TestStudents.testInitializationSetupStudents" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington - 2018.11.04 at 08h 19m 45s.xml">
+      <configuration name="TestZipCodeWilmington" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestStudents_testInitializationSetupStudents - 2018.11.04 at 07h 30m 59s.xml">
-      <configuration name="TestStudents.testInitializationSetupStudents" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.04 at 08h 20m 27s.xml">
+      <configuration name="TestZipCodeWilmington.testHostLecture" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructors - 2018.11.04 at 07h 36m 48s.xml">
-      <configuration name="TestInstructors" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.04 at 08h 23m 41s.xml">
+      <configuration name="TestZipCodeWilmington.testHostLecture" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.04 at 08h 03m 08s.xml">
+    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.04 at 08h 23m 57s.xml">
       <configuration name="TestZipCodeWilmington.testHostLecture" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.04 at 08h 03m 15s.xml">
+    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.04 at 08h 25m 14s.xml">
       <configuration name="TestZipCodeWilmington.testHostLecture" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.04 at 08h 03m 35s.xml">
+    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.04 at 08h 30m 19s.xml">
       <configuration name="TestZipCodeWilmington.testHostLecture" configurationId="JUnit" />
     </history-entry>
+    <history-entry file="TestZipCodeWilmington - 2018.11.04 at 08h 30m 29s.xml">
+      <configuration name="TestZipCodeWilmington" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="TestInstructors - 2018.11.04 at 08h 31m 10s.xml">
+      <configuration name="TestInstructors" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="TestStudents - 2018.11.04 at 08h 31m 16s.xml">
+      <configuration name="TestStudents" configurationId="JUnit" />
+    </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="11630000" />
+    <option name="totallyTimeSpent" value="13767000" />
   </component>
   <component name="ToolWindowManager">
-    <frame x="289" y="23" width="1280" height="958" extended-state="0" />
+    <frame x="400" y="23" width="1280" height="958" extended-state="0" />
     <editor active="true" />
     <layout>
-      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.2536349" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.2536349" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
       <window_info id="Capture Tool" order="2" />
       <window_info id="Image Layers" order="3" />
@@ -464,7 +410,7 @@
       <window_info anchor="bottom" id="Terminal" order="8" />
       <window_info anchor="bottom" id="Event Log" order="9" side_tool="true" />
       <window_info anchor="bottom" id="Version Control" order="10" show_stripe_button="false" />
-      <window_info active="true" anchor="bottom" id="Messages" order="11" visible="true" weight="0.32794458" />
+      <window_info anchor="bottom" id="Messages" order="11" visible="true" weight="0.32794458" />
       <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
       <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
       <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
@@ -520,63 +466,41 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPeople.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Learner.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="445">
-          <caret line="84" lean-forward="true" selection-start-line="5" selection-end-line="84" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
+        <state relative-caret-position="30">
+          <caret line="2" column="17" selection-start-line="2" selection-start-column="17" selection-end-line="2" selection-end-column="17" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Teacher.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="885">
-          <caret line="59" column="1" lean-forward="true" selection-start-line="8" selection-start-column="4" selection-end-line="59" selection-end-column="1" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
+        <state relative-caret-position="30">
+          <caret line="2" column="17" selection-start-line="2" selection-start-column="17" selection-end-line="2" selection-end-column="17" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Student.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="210">
-          <caret line="14" lean-forward="true" selection-start-line="14" selection-end-line="14" />
+        <state relative-caret-position="285">
+          <caret line="19" column="35" lean-forward="true" selection-start-line="19" selection-start-column="35" selection-end-line="19" selection-end-column="35" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestStudents.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="75">
-          <caret line="5" column="27" selection-start-line="5" selection-start-column="27" selection-end-line="5" selection-end-column="27" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructors.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="390">
-          <caret line="26" lean-forward="true" selection-start-line="26" selection-end-line="26" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
+          <caret line="6" column="22" selection-start-line="6" selection-start-column="22" selection-end-line="6" selection-end-column="22" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="60">
-          <caret line="4" column="7" selection-start-line="4" selection-start-column="7" selection-end-line="4" selection-end-column="7" />
+        <state relative-caret-position="420">
+          <caret line="28" column="9" lean-forward="true" selection-start-line="28" selection-start-column="9" selection-end-line="28" selection-end-column="9" />
           <folding>
-            <element signature="e#152#160#0" expanded="true" />
-            <element signature="e#173#174#0" expanded="true" />
-            <element signature="e#229#230#0" expanded="true" />
-            <element signature="e#753#754#0" expanded="true" />
-            <element signature="e#793#794#0" expanded="true" />
+            <element signature="e#392#393#0" expanded="true" />
+            <element signature="e#423#424#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -588,49 +512,67 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Learner.java">
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="30">
-          <caret line="2" column="17" selection-start-line="2" selection-start-column="17" selection-end-line="2" selection-end-column="17" />
+        <state relative-caret-position="240">
+          <caret line="16" column="14" lean-forward="true" selection-start-line="16" selection-start-column="14" selection-end-line="16" selection-end-column="14" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Teacher.java">
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructors.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="30">
-          <caret line="2" column="17" selection-start-line="2" selection-start-column="17" selection-end-line="2" selection-end-column="17" />
+        <state relative-caret-position="390">
+          <caret line="26" lean-forward="true" selection-start-line="26" selection-end-line="26" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java">
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestStudents.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="75">
-          <caret line="6" column="22" selection-start-line="6" selection-start-column="22" selection-end-line="6" selection-end-column="22" />
+          <caret line="5" column="27" selection-start-line="5" selection-start-column="27" selection-end-line="5" selection-end-column="27" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Student.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="285">
-          <caret line="19" column="35" lean-forward="true" selection-start-line="19" selection-start-column="35" selection-end-line="19" selection-end-column="35" />
+        <state relative-caret-position="360">
+          <caret line="24" column="4" selection-start-line="24" selection-start-column="4" selection-end-line="35" selection-end-column="5" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="165">
-          <caret line="11" lean-forward="true" selection-start-line="11" selection-end-line="11" />
+          <caret line="11" column="8" selection-start-line="11" selection-start-column="8" selection-end-line="13" selection-end-column="55" />
           <folding>
-            <element signature="e#392#393#0" expanded="true" />
-            <element signature="e#423#424#0" expanded="true" />
+            <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="555">
+          <caret line="45" column="35" selection-start-line="45" selection-start-column="35" selection-end-line="45" selection-end-column="35" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPeople.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="225">
-          <caret line="15" selection-start-line="15" selection-end-line="16" selection-end-column="57" />
+        <state relative-caret-position="1095">
+          <caret line="73" column="5" selection-start-line="73" selection-start-column="5" selection-end-line="73" selection-end-column="5" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>

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

@@ -1,6 +1,8 @@
 package io.zipcoder.interfaces;
 
-public final class Instructors extends People{
+import java.lang.reflect.Array;
+
+public final class Instructors extends People<Instructor>{
 
     private static Instructors INSTANCE = new Instructors();
 
@@ -20,4 +22,16 @@ public final class Instructors extends People{
         return INSTANCE;
     }
 
+    public Instructor[] getArray() {
+
+        Instructor[] instructors = new Instructor[personList.size()];
+
+        int index = 0;
+        for (Instructor i : personList) {
+            instructors[index] = i;
+            index++;
+        }
+
+        return instructors;
+    }
 }

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

@@ -1,26 +1,27 @@
 package io.zipcoder.interfaces;
 
+import java.lang.reflect.Array;
 import java.util.ArrayList;
 
-public class People {
+public abstract class People<E extends Person> {
 
-    protected ArrayList<Person> personList = new ArrayList<Person>();
+    ArrayList<E> personList = new ArrayList<E>();
 
     public People() {
-        this.personList = new ArrayList<Person>();
+        this.personList = new ArrayList<E>();
     }
 
-    public void add(Person person) {
+    public void add(E person) {
         this.personList.add(person);
     }
 
-    public void remove(Person person) {
+    public void remove(E person) {
         this.personList.remove(person);
     }
 
     public void remove(long id) {
 
-        for(Person p : personList) {
+        for(E p : personList) {
             if(p.getId() == id) {
                 this.personList.remove(p);
             }
@@ -28,9 +29,9 @@ public class People {
 
     }
 
-    public Person findById(long id) {
+    public E findById(long id) {
 
-        for(Person p : personList) {
+        for(E p : personList) {
             if(p.getId() == id) {
                 return p;
             }
@@ -42,13 +43,5 @@ public class People {
         return this.personList.size();
     }
 
-    public Person[] getArray() {
-        Person[] arr = new Person[getCount()];
-        int index = 0;
-        for(Person p : this.personList) {
-            arr[index] = p;
-            index++;
-        }
-        return arr;
-    }
+    public abstract E[] getArray();
 }

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

@@ -4,7 +4,7 @@ import com.sun.org.apache.bcel.internal.generic.INSTANCEOF;
 
 import java.util.ArrayList;
 
-public final class Students extends People{
+public final class Students extends People<Student>{
 
     private static Students INSTANCE = new Students();
 
@@ -57,5 +57,18 @@ public final class Students extends People{
         return INSTANCE;
     }
 
+    public Student[] getArray() {
+
+        Student[] students = new Student[personList.size()];
+
+        int index = 0;
+        for (Student i : personList) {
+            students[index] = i;
+            index++;
+        }
+
+        return students;
+    }
+
 }
 

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

@@ -16,19 +16,13 @@ public final class ZipCodeWilmington {
 
     public static void hostLecture(Teacher teacher, double numberOfHours) {
 
-        Person[] studentsArray = students.getArray();
-        Student[] studentsArray2 = (Student[]) studentsArray;
-
-        teacher.lecture(studentsArray2, numberOfHours);
+        teacher.lecture(students.getArray(), numberOfHours);
 
     }
 
     public void hostLecture(long id, double numberOfHours) {
 
-        Person[] instructorsArray = instructors.getArray();
-        Instructor[] instructorsArray2 = (Instructor[]) instructorsArray;
-
-        for(Instructor i : instructorsArray2) {
+        for(Instructor i : instructors.getArray()) {
             if (i.getId() == id) {
                 hostLecture(i, numberOfHours);
             }

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

@@ -5,18 +5,23 @@ import org.junit.Test;
 
 public class TestPeople {
 
-    Instructor instructor = new Instructor(2, "sue");
-    Student student = new Student(1, "Bob");
-    People people = new People();
+    Instructors instructors = Instructors.getInstance();
+    Students students2 = Students.getInstance();
+    Student s1 = new Student(51, "Ned Redmond");
+    Student s2 =new Student(52, "Seth Abrams");
+    Student s3 = new Student(53, "Akeem Cherry");
 
     @Test
     public void testAdd() {
         //Given
-        int expected = 1;
+        int before = students2.getCount();
+        int expected = before + 3;
 
         //When
-        people.add(student);
-        int actual = people.getCount();
+        students2.add(s1);
+        students2.add(s2);
+        students2.add(s3);
+        int actual = students2.getCount();
 
         //Then
         Assert.assertEquals(expected, actual, 0.01);
@@ -25,13 +30,15 @@ public class TestPeople {
     @Test
     public void testRemoveByPerson() {
         //Given
-        int expected = 1;
+        int before = students2.getCount();
+        int expected = before + 2;
 
         //When
-        people.add(student);
-        people.add(instructor);
-        people.remove(student);
-        int actual = people.getCount();
+        students2.add(s1);
+        students2.add(s2);
+        students2.add(s3);
+        students2.remove(s2);
+        int actual = students2.getCount();
 
         //Then
         Assert.assertEquals(expected, actual, 0.01);
@@ -40,13 +47,15 @@ public class TestPeople {
     @Test
     public void testRemoveById() {
         //Given
-        int expected = 1;
+        int before = students2.getCount();
+        int expected = before + 2;
 
         //When
-        people.add(student);
-        people.add(instructor);
-        people.remove(1);
-        int actual = people.getCount();
+        students2.add(s1);
+        students2.add(s2);
+        students2.add(s3);
+        students2.remove(52);
+        int actual = students2.getCount();
 
         //Then
         Assert.assertEquals(expected, actual, 0.01);
@@ -55,26 +64,13 @@ public class TestPeople {
     @Test
     public void testFindById() {
         //Given
-        Person expected = instructor;
+        Person expected = s2;
 
         //When
-        people.add(student);
-        people.add(instructor);
-        Person actual = people.findById(2);
-
-        //Then
-        Assert.assertEquals(expected, actual);
-    }
-
-    @Test
-    public void testGetArray() {
-        //Given
-        Person[] expected = {student, instructor};
-
-        //When
-        people.add(student);
-        people.add(instructor);
-        Person[] actual = people.getArray();
+        students2.add(s1);
+        students2.add(s2);
+        students2.add(s3);
+        Student actual = students2.findById(52);
 
         //Then
         Assert.assertEquals(expected, actual);

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

@@ -6,32 +6,17 @@ import org.junit.Test;
 public class TestZipCodeWilmington {
 
     ZipCodeWilmington zipCode = ZipCodeWilmington.getInstance();
-
     Students students = Students.getInstance();
-    Instructors instructors = Instructors.getInstance();
-
-//    Person[] instructorsArray = instructors.getArray();
-//    Instructor[] instructorsArray2 = (Instructor[]) instructorsArray;
-
-    Person[] studentsArray = students.getArray();
-    Student[] studentsArray2 = (Student[]) studentsArray;
 
     @Test
     public void testHostLecture() {
         //Given
-        double before = 0.0;
-        for(Student s : studentsArray2) {
-            before += s.getTotalStudyTime();
-        }
+        double before = students.getArray()[0].getTotalStudyTime();
         double expected = before + 1.0;
 
         //When
-        ZipCodeWilmington.getInstance().hostLecture(103, 39);
-        double after = 0.0;
-        for(Student s : studentsArray2) {
-            after += s.getTotalStudyTime();
-        }
-        double actual = after;
+        zipCode.hostLecture(103, 39);
+        double actual = students.getArray()[0].getTotalStudyTime();
 
         //Then
         Assert.assertEquals(expected, actual, 0.1);