Completed lab until part 10.

.idea/workspace.xml

@@ -2,10 +2,16 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="c0f7ce67-c21c-4eff-a696-290be3222ea8" name="Default Changelist" comment="">
-      <change afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Teacher.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructor.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructors.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPeople.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestStudents.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/Person.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Person.java" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/target/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -32,73 +38,82 @@
     <session id="-945268981">
       <usages-collector id="statistics.lifecycle.project">
         <counts>
+          <entry key="project.closed" value="6" />
           <entry key="project.open.time.1" value="1" />
-          <entry key="project.opened" value="1" />
+          <entry key="project.open.time.2" value="5" />
+          <entry key="project.open.time.4" value="1" />
+          <entry key="project.opened" value="7" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.extensions.open">
         <counts>
-          <entry key="java" value="10" />
+          <entry key="java" value="46" />
+          <entry key="md" value="1" />
           <entry key="project" value="1" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.open">
         <counts>
           <entry key="Eclipse" value="1" />
-          <entry key="JAVA" value="10" />
+          <entry key="JAVA" value="46" />
+          <entry key="Markdown" value="1" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.extensions.edit">
         <counts>
-          <entry key="java" value="1755" />
+          <entry key="java" value="4855" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.edit">
         <counts>
-          <entry key="JAVA" value="1755" />
+          <entry key="JAVA" value="4855" />
         </counts>
       </usages-collector>
     </session>
   </component>
   <component name="FileEditorManager">
-    <leaf>
-      <file pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructor.java">
+    <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/ZipCodeWilmington.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="267">
-              <caret line="42" column="27" selection-start-line="42" selection-start-column="27" selection-end-line="42" selection-end-column="27" />
+            <state relative-caret-position="270">
+              <caret line="18" column="65" selection-start-line="18" selection-start-column="65" selection-end-line="18" selection-end-column="65" />
               <folding>
-                <element signature="imports" expanded="true" />
+                <element signature="e#407#408#0" expanded="true" />
+                <element signature="e#438#439#0" 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/Instructor.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="315">
-              <caret line="21" column="1" lean-forward="true" selection-start-line="21" selection-start-column="1" selection-end-line="21" selection-end-column="1" />
+            <state relative-caret-position="120">
+              <caret line="8" column="62" selection-start-line="8" selection-start-column="62" selection-end-line="8" selection-end-column="62" />
               <folding>
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-                <element signature="e#228#229#0" expanded="true" />
-                <element signature="e#292#293#0" expanded="true" />
-                <element signature="e#315#316#0" expanded="true" />
+                <element signature="e#174#186#0" expanded="true" />
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             </state>
           </provider>
         </entry>
       </file>
       <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/main/java/io/zipcoder/interfaces/Instructor.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state>
+              <caret column="28" lean-forward="true" selection-start-column="28" selection-end-column="28" />
+            </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="21" selection-start-line="21" selection-end-line="21" />
+            <state relative-caret-position="360">
+              <caret line="24" column="61" selection-start-line="24" selection-start-column="61" selection-end-line="24" selection-end-column="61" />
               <folding>
-                <element signature="e#293#294#0" expanded="true" />
-                <element signature="e#340#341#0" expanded="true" />
+                <element signature="imports" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -120,7 +135,6 @@
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
-        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Person.java" />
         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPerson.java" />
         <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Learner.java" />
         <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Student.java" />
@@ -128,6 +142,15 @@
         <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Teacher.java" />
         <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java" />
         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructor.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Person.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java" />
+        <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPeople.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.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/Instructors.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java" />
+        <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.java" />
       </list>
     </option>
   </component>
@@ -150,6 +173,7 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
+      <pane id="Scope" />
       <pane id="ProjectPane">
         <subPane>
           <expand>
@@ -209,13 +233,12 @@
         </subPane>
       </pane>
       <pane id="PackagesPane" />
-      <pane id="Scope" />
     </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="1541218571626" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1541642266677" />
     <property name="last_opened_file_path" value="$PROJECT_DIR$" />
     <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
     <property name="nodejs_npm_path_reset_for_default_project" value="true" />
@@ -232,8 +255,8 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="JUnit.TestInstructor">
-    <configuration name="TestInstructor" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+  <component name="RunManager" selected="JUnit.TestZipCodeWilmington">
+    <configuration name="TestInstructors.testSize" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -242,12 +265,14 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestInstructor" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestInstructors" />
+      <option name="METHOD_NAME" value="testSize" />
+      <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestInstructor.testImplementation" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestZipCodeWilmington" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -256,14 +281,12 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestInstructor" />
-      <option name="METHOD_NAME" value="testImplementation" />
-      <option name="TEST_OBJECT" value="method" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestZipCodeWilmington" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestInstructor.testInheritance" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestZipCodeWilmington.testHostLecture" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -272,14 +295,14 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestInstructor" />
-      <option name="METHOD_NAME" value="testInheritance" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestZipCodeWilmington" />
+      <option name="METHOD_NAME" value="testHostLecture" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestInstructor.testLecture" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestZipCodeWilmington.testHostLectureID" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -288,14 +311,14 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestInstructor" />
-      <option name="METHOD_NAME" value="testLecture" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestZipCodeWilmington" />
+      <option name="METHOD_NAME" value="testHostLectureID" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestInstructor.testTeach" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="io.zipcoder.interfaces in interfaces-1" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -304,27 +327,25 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestInstructor" />
-      <option name="METHOD_NAME" value="testTeach" />
-      <option name="TEST_OBJECT" value="method" />
+      <option name="TEST_OBJECT" value="package" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
     <list>
-      <item itemvalue="JUnit.TestInstructor.testImplementation" />
-      <item itemvalue="JUnit.TestInstructor.testTeach" />
-      <item itemvalue="JUnit.TestInstructor.testLecture" />
-      <item itemvalue="JUnit.TestInstructor.testInheritance" />
-      <item itemvalue="JUnit.TestInstructor" />
+      <item itemvalue="JUnit.TestInstructors.testSize" />
+      <item itemvalue="JUnit.TestZipCodeWilmington.testHostLectureID" />
+      <item itemvalue="JUnit.TestZipCodeWilmington" />
+      <item itemvalue="JUnit.TestZipCodeWilmington.testHostLecture" />
+      <item itemvalue="JUnit.io.zipcoder.interfaces in interfaces-1" />
     </list>
     <recent_temporary>
       <list>
-        <item itemvalue="JUnit.TestInstructor" />
-        <item itemvalue="JUnit.TestInstructor.testLecture" />
-        <item itemvalue="JUnit.TestInstructor.testTeach" />
-        <item itemvalue="JUnit.TestInstructor.testInheritance" />
-        <item itemvalue="JUnit.TestInstructor.testImplementation" />
+        <item itemvalue="JUnit.TestZipCodeWilmington" />
+        <item itemvalue="JUnit.TestZipCodeWilmington.testHostLecture" />
+        <item itemvalue="JUnit.TestZipCodeWilmington.testHostLectureID" />
+        <item itemvalue="JUnit.io.zipcoder.interfaces in interfaces-1" />
+        <item itemvalue="JUnit.TestInstructors.testSize" />
       </list>
     </recent_temporary>
   </component>
@@ -338,61 +359,62 @@
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
       <updated>1541213342172</updated>
-      <workItem from="1541213343574" duration="4761000" />
+      <workItem from="1541213343574" duration="6479000" />
+      <workItem from="1541257909556" duration="107000" />
+      <workItem from="1541350280007" duration="2806000" />
+      <workItem from="1541561871544" duration="306000" />
+      <workItem from="1541600503766" duration="516000" />
+      <workItem from="1541613915444" duration="687000" />
+      <workItem from="1541635823687" duration="5301000" />
     </task>
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="TestInstructor_testTeach - 2018.11.03 at 00h 00m 03s.xml">
-      <configuration name="TestInstructor.testTeach" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington_testHostLectureID - 2018.11.07 at 20h 54m 23s.xml">
+      <configuration name="TestZipCodeWilmington.testHostLectureID" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructor_testTeach - 2018.11.03 at 00h 00m 34s.xml">
-      <configuration name="TestInstructor.testTeach" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington - 2018.11.07 at 20h 54m 41s.xml">
+      <configuration name="TestZipCodeWilmington" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructor_testLecture - 2018.11.03 at 00h 03m 04s.xml">
-      <configuration name="TestInstructor.testLecture" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington - 2018.11.07 at 20h 55m 51s.xml">
+      <configuration name="TestZipCodeWilmington" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructor_testInheritance - 2018.11.03 at 00h 04m 06s.xml">
-      <configuration name="TestInstructor.testInheritance" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington_testHostLectureID - 2018.11.07 at 20h 56m 27s.xml">
+      <configuration name="TestZipCodeWilmington.testHostLectureID" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructor_testTeach - 2018.11.03 at 00h 08m 02s.xml">
-      <configuration name="TestInstructor.testTeach" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington - 2018.11.07 at 20h 56m 41s.xml">
+      <configuration name="TestZipCodeWilmington" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructor_testTeach - 2018.11.03 at 00h 11m 43s.xml">
-      <configuration name="TestInstructor.testTeach" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.07 at 20h 56m 48s.xml">
+      <configuration name="TestZipCodeWilmington.testHostLecture" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestPerson_testConstructorId - 2018.11.03 at 00h 12m 02s.xml">
-      <configuration name="TestPerson.testConstructorId" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington_testHostLectureID - 2018.11.07 at 20h 56m 51s.xml">
+      <configuration name="TestZipCodeWilmington.testHostLectureID" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructor_testTeach - 2018.11.03 at 00h 12m 09s.xml">
-      <configuration name="TestInstructor.testTeach" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington_testHostLecture - 2018.11.07 at 20h 57m 10s.xml">
+      <configuration name="TestZipCodeWilmington.testHostLecture" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructor_testTeach - 2018.11.03 at 00h 12m 27s.xml">
-      <configuration name="TestInstructor.testTeach" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington - 2018.11.07 at 20h 57m 14s.xml">
+      <configuration name="TestZipCodeWilmington" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructor_testTeach - 2018.11.03 at 00h 13m 37s.xml">
-      <configuration name="TestInstructor.testTeach" configurationId="JUnit" />
+    <history-entry file="TestZipCodeWilmington - 2018.11.07 at 20h 57m 44s.xml">
+      <configuration name="TestZipCodeWilmington" configurationId="JUnit" />
     </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="4761000" />
+    <option name="totallyTimeSpent" value="16202000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1280" height="800" extended-state="0" />
     <editor active="true" />
     <layout>
-      <window_info id="Image Layers" />
-      <window_info id="Designer" />
-      <window_info id="UI Designer" />
-      <window_info id="Capture Tool" />
-      <window_info id="Favorites" side_tool="true" />
-      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.24555735" />
+      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.2657512" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
-      <window_info anchor="bottom" id="Messages" weight="0.32876712" />
-      <window_info anchor="bottom" id="Database Changes" show_stripe_button="false" />
-      <window_info anchor="bottom" id="Version Control" show_stripe_button="false" />
-      <window_info anchor="bottom" id="Terminal" weight="0.32876712" />
-      <window_info anchor="bottom" id="Event Log" side_tool="true" />
+      <window_info id="Image Layers" order="2" />
+      <window_info id="Designer" order="3" />
+      <window_info id="UI Designer" order="4" />
+      <window_info id="Capture Tool" order="5" />
+      <window_info id="Favorites" order="6" side_tool="true" />
       <window_info anchor="bottom" id="Message" order="0" />
       <window_info anchor="bottom" id="Find" order="1" />
       <window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.32876712" />
@@ -400,16 +422,21 @@
       <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
       <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
       <window_info anchor="bottom" id="TODO" order="6" />
-      <window_info anchor="right" id="Palette" />
-      <window_info anchor="right" id="Coverage" side_tool="true" weight="0.32956383" />
-      <window_info anchor="right" id="Theme Preview" />
-      <window_info anchor="right" id="Capture Analysis" />
-      <window_info anchor="right" id="Palette&#9;" />
-      <window_info anchor="right" id="Database" />
-      <window_info anchor="right" id="Maven Projects" />
+      <window_info anchor="bottom" id="Version Control" order="7" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Database Changes" order="8" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Terminal" order="9" weight="0.32876712" />
+      <window_info anchor="bottom" id="Event Log" order="10" side_tool="true" />
+      <window_info anchor="bottom" id="Messages" order="11" weight="0.32876712" />
       <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" />
+      <window_info anchor="right" id="Palette" order="3" />
+      <window_info anchor="right" id="Capture Analysis" order="4" />
+      <window_info anchor="right" id="Database" order="5" />
+      <window_info anchor="right" id="Theme Preview" order="6" />
+      <window_info anchor="right" id="Maven Projects" order="7" />
+      <window_info anchor="right" id="Palette&#9;" order="8" />
+      <window_info anchor="right" id="Coverage" order="9" side_tool="true" weight="0.32956383" />
     </layout>
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -422,43 +449,100 @@
     <entry file="file://$PROJECT_DIR$/.project">
       <provider selected="true" editor-type-id="text-editor" />
     </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/Learner.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="179">
-          <caret line="13" column="21" selection-start-line="13" selection-start-column="21" selection-end-line="13" selection-end-column="21" />
-          <folding>
-            <element signature="e#231#232#0" expanded="true" />
-            <element signature="e#259#260#0" expanded="true" />
-            <element signature="e#129#130#0" expanded="true" />
-            <element signature="e#156#157#0" expanded="true" />
-            <element signature="e#196#197#0" expanded="true" />
-            <element signature="e#228#229#0" expanded="true" />
-            <element signature="e#439#440#0" expanded="true" />
-            <element signature="e#464#465#0" expanded="true" />
-          </folding>
+        <state relative-caret-position="45">
+          <caret line="3" column="37" selection-start-line="3" selection-start-column="37" selection-end-line="3" selection-end-column="37" />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPerson.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="233">
-          <caret line="27" column="8" lean-forward="true" selection-start-line="27" selection-start-column="8" selection-end-line="30" selection-end-column="41" />
+        <state relative-caret-position="375">
+          <caret line="26" selection-start-line="26" selection-end-line="26" />
+        </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="-1492">
+          <caret line="9" column="6" selection-start-line="9" selection-start-column="6" selection-end-line="22" selection-end-column="7" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
+    <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 />
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestStudent.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="15">
-          <caret line="7" column="4" selection-start-line="7" selection-start-column="4" selection-end-line="38" selection-end-column="5" />
+        <state relative-caret-position="278">
+          <caret line="21" column="30" lean-forward="true" selection-start-line="21" selection-start-column="30" selection-end-line="21" selection-end-column="30" />
+        </state>
+      </provider>
+    </entry>
+    <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="195">
+          <caret line="21" selection-start-line="21" selection-end-line="21" />
+        </state>
+      </provider>
+    </entry>
+    <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="45">
+          <caret line="3" column="22" lean-forward="true" selection-start-line="3" selection-start-column="22" selection-end-line="3" selection-end-column="22" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructor.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="615">
+          <caret line="42" column="27" selection-start-line="42" selection-start-column="27" selection-end-line="42" selection-end-column="27" />
+        </state>
+      </provider>
+    </entry>
+    <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="210">
+          <caret line="16" column="21" selection-start-line="16" selection-start-column="21" selection-end-line="16" selection-end-column="21" />
+        </state>
+      </provider>
+    </entry>
+    <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="293">
+          <caret line="35" selection-start-line="35" selection-end-line="35" />
+        </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="120">
+          <caret line="8" lean-forward="true" selection-start-line="8" selection-end-line="8" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <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="345">
+          <caret line="51" column="4" lean-forward="true" selection-start-line="51" selection-start-column="4" selection-end-line="53" selection-end-column="5" />
+        </state>
+      </provider>
+    </entry>
     <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="45">
@@ -466,43 +550,38 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Learner.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="45">
-          <caret line="3" column="37" selection-start-line="3" selection-start-column="37" selection-end-line="3" selection-end-column="37" />
+        <state>
+          <caret column="28" lean-forward="true" selection-start-column="28" selection-end-column="28" />
         </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="225">
-          <caret line="21" selection-start-line="21" selection-end-line="21" />
+        <state relative-caret-position="120">
+          <caret line="8" column="62" selection-start-line="8" selection-start-column="62" selection-end-line="8" selection-end-column="62" />
           <folding>
-            <element signature="e#293#294#0" expanded="true" />
-            <element signature="e#340#341#0" expanded="true" />
+            <element signature="e#174#186#0" 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/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="315">
-          <caret line="21" column="1" lean-forward="true" selection-start-line="21" selection-start-column="1" selection-end-line="21" selection-end-column="1" />
+        <state relative-caret-position="270">
+          <caret line="18" column="65" selection-start-line="18" selection-start-column="65" selection-end-line="18" selection-end-column="65" />
           <folding>
-            <element signature="e#138#139#0" expanded="true" />
-            <element signature="e#169#170#0" expanded="true" />
-            <element signature="e#203#204#0" expanded="true" />
-            <element signature="e#228#229#0" expanded="true" />
-            <element signature="e#292#293#0" expanded="true" />
-            <element signature="e#315#316#0" expanded="true" />
+            <element signature="e#407#408#0" expanded="true" />
+            <element signature="e#438#439#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructor.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="267">
-          <caret line="42" column="27" selection-start-line="42" selection-start-column="27" selection-end-line="42" selection-end-column="27" />
+        <state relative-caret-position="360">
+          <caret line="24" column="61" selection-start-line="24" selection-start-column="61" selection-end-line="24" selection-end-column="61" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>

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

@@ -0,0 +1,24 @@
+package io.zipcoder.interfaces;
+
+import java.util.ArrayList;
+
+public final class Instructors extends People{
+
+    public ArrayList<Instructor> instructorsList = new ArrayList<Instructor>();
+
+    private final static Instructors INSTANCE = new Instructors();
+
+    private Instructors(){
+        instructorsList.add(new Instructor(1, "Kris"));
+        instructorsList.add(new Instructor(2, "Froilan"));
+        instructorsList.add(new Instructor(3, "Leon"));
+        instructorsList.add(new Instructor(4, "Dolio"));
+        instructorsList.add(new Instructor(5, "Wilhem"));
+        instructorsList.add(new Instructor(6, "Nhu"));
+    }
+
+    public static Instructors getInstance(){
+        return INSTANCE;
+    }
+
+}

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

@@ -0,0 +1,48 @@
+package io.zipcoder.interfaces;
+
+import java.util.ArrayList;
+
+public class People{
+
+    public ArrayList<Person> personList = new ArrayList<Person>();
+
+    public void add(Person person){
+        personList.add(person);
+    }
+
+    public int getCount(){
+        return personList.size();
+    }
+
+    public ArrayList<Person> getPersonList() {
+        return personList;
+    }
+
+    public Person findById(long id){
+        for(Person i : personList){
+            if(i.getId() == id){
+                return i;
+            }
+        }
+        return null;
+    }
+
+    public void removePerson(Person person){
+        personList.remove(person);
+    }
+
+    public void removeId(long id){
+        for(Person i : personList){
+            if(i.getId() == id){
+                personList.remove(personList.indexOf(i));
+                break;
+            }
+        }
+    }
+
+    public void removeAll(){
+        while(personList.size() != 0){
+            personList.remove(0);
+        }
+    }
+}

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

@@ -18,6 +18,10 @@ public class Person {
         return name;
     }
 
+    public String getName(long id) {
+        return this.name;
+    }
+
     public void setName(String name) {
         this.name = name;
     }

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

@@ -0,0 +1,55 @@
+package io.zipcoder.interfaces;
+
+import java.util.ArrayList;
+
+public final class Students extends People{
+
+    public ArrayList<Student> studentList = new ArrayList<Student>();
+    private final static Students INSTANCE = new Students();
+
+    private Students() {
+        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"));
+    }
+
+    public static Students getInstance(){
+        return INSTANCE;
+    }
+}

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

@@ -0,0 +1,31 @@
+package io.zipcoder.interfaces;
+
+public final class ZipCodeWilmington {
+
+    private final static ZipCodeWilmington INSTANCE = new ZipCodeWilmington();
+
+    Instructors instructors = Instructors.getInstance();
+    Students students = Students.getInstance();
+
+    public void hostLecture(Teacher teacher, double numberOfHours){
+
+        Learner[] cohort = students.studentList.toArray(new Learner[students.studentList.size()]);
+
+        teacher.lecture(cohort, numberOfHours);
+    }
+
+    public void hostLecture(long id, double numberOfHours){
+        //Teacher teacher = (Teacher) instructors.findById(id);
+        Instructor teacher = instructors.instructorsList.get((int)id);
+
+        Learner[] cohort = students.studentList.toArray(new Learner[students.studentList.size()]);
+
+        teacher.lecture(cohort, numberOfHours);
+    }
+
+
+    private ZipCodeWilmington(){}
+    public static ZipCodeWilmington getInstance(){
+        return INSTANCE;
+    }
+}

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

@@ -0,0 +1,18 @@
+package io.zipcoder.interfaces;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestInstructors {
+
+    Instructors instructors = Instructors.getInstance();
+
+    @Test
+    public void testSize(){
+
+        int expected = 6;
+        int actual = instructors.instructorsList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+}

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

@@ -0,0 +1,132 @@
+package io.zipcoder.interfaces;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+
+public class TestPeople {
+
+//    public ArrayList<Person> buildPersonArray(){
+//        People people = new People();
+//        Person William = new Person(0, "William");
+//        Person James = new Person(1, "James");
+//        Person Alex = new Person(2, "Alex");
+//        Person Stephanie = new Person(3, "Stephanie");
+//
+//        people.personList.add(William);
+//        people.personList.add(James);
+//        people.personList.add(Alex);
+//        people.personList.add(Stephanie);
+//
+//        return people.personList;
+//    }
+
+    @Test
+    public void testAdd(){
+        People people = new People();
+        Person William = new Person(1, "William");
+
+        people.personList.add(William);
+
+        int expected = 1;
+        int actual = people.getCount();
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testRemoveByPerson(){
+        People people = new People();
+        Person William = new Person(0, "William");
+        Person James = new Person(1, "James");
+        Person Alex = new Person(2, "Alex");
+        Person Stephanie = new Person(3, "Stephanie");
+
+        people.personList.add(William);
+        people.personList.add(James);
+        people.personList.add(Alex);
+        people.personList.add(Stephanie);
+
+        people.personList.remove(William);
+
+        int expected = 3;
+        int actual = people.personList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testRemoveById(){
+        People people = new People();
+        Person William = new Person(1, "William");
+        Person James = new Person(2, "James");
+        Person Alex = new Person(24, "Alex");
+        Person Stephanie = new Person(32, "Stephanie");
+
+        people.personList.add(William);
+        people.personList.add(James);
+        people.personList.add(Alex);
+        people.personList.add(Stephanie);
+
+        people.removeId(32);
+
+        int expected = 3;
+        int actual = people.personList.size();
+
+        Assert.assertEquals(expected, actual);
+        Assert.assertFalse(people.personList.contains(Stephanie));
+    }
+
+    @Test
+    public void testFindById(){
+        People people = new People();
+        Person William = new Person(0, "William");
+        Person James = new Person(1, "James");
+        Person Alex = new Person(2, "Alex");
+        Person Stephanie = new Person(3, "Stephanie");
+
+        people.personList.add(William);
+        people.personList.add(James);
+        people.personList.add(Alex);
+        people.personList.add(Stephanie);
+
+        Person expected = William;
+        Person actual = people.findById(0);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testGetArray(){
+        People people = new People();
+
+        ArrayList<Person> PersonList = people.getPersonList();
+
+        int expected = 0;
+        int actual = people.personList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testRemoveAll(){
+        People people = new People();
+        Person William = new Person(0, "William");
+        Person James = new Person(1, "James");
+        Person Alex = new Person(2, "Alex");
+        Person Stephanie = new Person(3, "Stephanie");
+
+        people.personList.add(William);
+        people.personList.add(James);
+        people.personList.add(Alex);
+        people.personList.add(Stephanie);
+
+        people.removeAll();
+
+        int expected = 0;
+        int actual = people.personList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+}

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

@@ -0,0 +1,18 @@
+package io.zipcoder.interfaces;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestStudents {
+
+    Students students = Students.getInstance();
+
+    @Test
+    public void testSize(){
+
+        int expected = 39;
+        int actual = students.studentList.size();
+
+        Assert.assertEquals(expected, actual);
+    }
+}

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

@@ -0,0 +1,35 @@
+package io.zipcoder.interfaces;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestZipCodeWilmington {
+
+    ZipCodeWilmington zipCode = ZipCodeWilmington.getInstance();
+
+
+    @Test
+    public void testHostLectureID(){
+        Student William = zipCode.students.studentList.get(38);
+
+        zipCode.hostLecture(3, 39);
+
+        double expected = 1;
+        double actual = William.totalStudyTime;
+
+        Assert.assertEquals(expected, actual, 0);
+    }
+
+    @Test
+    public void testHostLecture(){
+        Student William = zipCode.students.studentList.get(38);
+        Instructor leon = zipCode.instructors.instructorsList.get(3);
+
+        zipCode.hostLecture(leon, 39);
+
+        double expected = 2;
+        double actual = William.totalStudyTime;
+
+        Assert.assertEquals(expected, actual, 0);
+    }
+}