{for now}

.idea/workspace.xml

@@ -2,8 +2,9 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="1691c4d3-c1b9-43dc-9250-95c93a250ec9" name="Default Changelist" comment="">
+      <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" />
-      <change beforePath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPerson.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPerson.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" />
     </list>
     <ignored path="$PROJECT_DIR$/target/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -12,6 +13,20 @@
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
+  <component name="DatabaseView">
+    <option name="SHOW_INTERMEDIATE" value="true" />
+    <option name="GROUP_DATA_SOURCES" value="true" />
+    <option name="GROUP_SCHEMA" value="true" />
+    <option name="GROUP_CONTENTS" value="false" />
+    <option name="SORT_POSITIONED" value="false" />
+    <option name="SHOW_EMPTY_GROUPS" value="false" />
+    <option name="AUTO_SCROLL_FROM_SOURCE" value="false" />
+    <option name="HIDDEN_KINDS">
+      <set />
+    </option>
+    <expand />
+    <select />
+  </component>
   <component name="FUSProjectUsageTrigger">
     <session id="-1952372258">
       <usages-collector id="statistics.lifecycle.project">
@@ -22,7 +37,7 @@
       </usages-collector>
       <usages-collector id="statistics.file.extensions.open">
         <counts>
-          <entry key="java" value="12" />
+          <entry key="java" value="16" />
           <entry key="md" value="1" />
           <entry key="project" value="1" />
           <entry key="xml" value="1" />
@@ -31,19 +46,19 @@
       <usages-collector id="statistics.file.types.open">
         <counts>
           <entry key="Eclipse" value="1" />
-          <entry key="JAVA" value="12" />
+          <entry key="JAVA" value="16" />
           <entry key="Markdown" value="1" />
           <entry key="XML" value="1" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.extensions.edit">
         <counts>
-          <entry key="java" value="2090" />
+          <entry key="java" value="4554" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.edit">
         <counts>
-          <entry key="JAVA" value="2090" />
+          <entry key="JAVA" value="4554" />
         </counts>
       </usages-collector>
     </session>
@@ -53,8 +68,8 @@
       <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="205">
-              <caret line="28" column="19" lean-forward="true" selection-start-line="28" selection-start-column="19" selection-end-line="28" selection-end-column="19" />
+            <state relative-caret-position="156">
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               <folding>
                 <element signature="e#147#148#0" expanded="true" />
                 <element signature="e#169#170#0" expanded="true" />
@@ -107,46 +122,28 @@
         </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/People.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="136">
-              <caret line="8" lean-forward="true" selection-start-line="8" selection-end-line="8" />
+            <state relative-caret-position="198">
+              <caret line="21" column="9" lean-forward="true" selection-start-line="21" selection-start-column="9" selection-end-line="21" selection-end-column="9" />
             </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/Students.java">
           <provider selected="true" editor-type-id="text-editor">
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-                <element signature="e#227#228#0" expanded="true" />
-                <element signature="e#249#250#0" expanded="true" />
-              </folding>
+            <state relative-caret-position="153">
+              <caret line="9" column="38" lean-forward="true" selection-start-line="9" selection-start-column="38" selection-end-line="9" selection-end-column="38" />
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           </provider>
         </entry>
       </file>
       <file pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestInstructor.java">
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-              <caret line="49" column="8" selection-start-line="49" selection-start-column="8" selection-end-line="49" selection-end-column="8" />
-              <folding>
-                <element signature="imports" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPerson.java">
+        <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="493">
-              <caret line="29" column="53" selection-start-line="29" selection-start-column="53" selection-end-line="29" selection-end-column="53" />
+            <state relative-caret-position="595">
+              <caret line="35" column="19" selection-start-line="35" selection-start-column="19" selection-end-line="35" selection-end-column="19" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -160,8 +157,8 @@
     <option name="RECENT_TEMPLATES">
       <list>
         <option value="Interface" />
-        <option value="Class" />
         <option value="JUnit4 Test Class" />
+        <option value="Class" />
       </list>
     </option>
   </component>
@@ -171,7 +168,6 @@
   <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" />
@@ -180,6 +176,10 @@
         <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/Students.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" />
       </list>
     </option>
   </component>
@@ -266,7 +266,7 @@
   <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="1541958646110" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1541966799634" />
     <property name="com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrary" value="JUnit4" />
     <property name="com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrarySuperClass.JUnit4" value="" />
     <property name="last_opened_file_path" value="$PROJECT_DIR$" />
@@ -303,8 +303,8 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="JUnit.TestInstructor.lectureTest">
-    <configuration name="TestInstructor.implementationTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+  <component name="RunManager" selected="JUnit.TestPeople">
+    <configuration name="TestPeople" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -313,14 +313,12 @@
         </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="implementationTest" />
-      <option name="TEST_OBJECT" value="method" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestPeople" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestInstructor.lectureTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestPeople.addTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -329,14 +327,14 @@
         </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="lectureTest" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestPeople" />
+      <option name="METHOD_NAME" value="addTest" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestInstructor.teachTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestPeople.findByIdTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -345,14 +343,14 @@
         </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="teachTest" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestPeople" />
+      <option name="METHOD_NAME" value="findByIdTest" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestStudent.implementationTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestPeople.removeTest1" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -361,14 +359,14 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestStudent" />
-      <option name="METHOD_NAME" value="implementationTest" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestPeople" />
+      <option name="METHOD_NAME" value="removeTest1" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="TestStudent.learnTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="TestPeople.removeTest2" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="interfaces-1" />
       <extension name="coverage">
         <pattern>
@@ -377,27 +375,27 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="io.zipcoder.interfaces" />
-      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestStudent" />
-      <option name="METHOD_NAME" value="learnTest" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.TestPeople" />
+      <option name="METHOD_NAME" value="removeTest2" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
     <list>
-      <item itemvalue="JUnit.TestStudent.implementationTest" />
-      <item itemvalue="JUnit.TestStudent.learnTest" />
-      <item itemvalue="JUnit.TestInstructor.implementationTest" />
-      <item itemvalue="JUnit.TestInstructor.teachTest" />
-      <item itemvalue="JUnit.TestInstructor.lectureTest" />
+      <item itemvalue="JUnit.TestPeople.addTest" />
+      <item itemvalue="JUnit.TestPeople.findByIdTest" />
+      <item itemvalue="JUnit.TestPeople.removeTest1" />
+      <item itemvalue="JUnit.TestPeople.removeTest2" />
+      <item itemvalue="JUnit.TestPeople" />
     </list>
     <recent_temporary>
       <list>
-        <item itemvalue="JUnit.TestInstructor.lectureTest" />
-        <item itemvalue="JUnit.TestInstructor.teachTest" />
-        <item itemvalue="JUnit.TestInstructor.implementationTest" />
-        <item itemvalue="JUnit.TestStudent.learnTest" />
-        <item itemvalue="JUnit.TestStudent.implementationTest" />
+        <item itemvalue="JUnit.TestPeople" />
+        <item itemvalue="JUnit.TestPeople.removeTest2" />
+        <item itemvalue="JUnit.TestPeople.removeTest1" />
+        <item itemvalue="JUnit.TestPeople.findByIdTest" />
+        <item itemvalue="JUnit.TestPeople.addTest" />
       </list>
     </recent_temporary>
   </component>
@@ -411,44 +409,44 @@
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
       <updated>1541263186393</updated>
-      <workItem from="1541263187731" duration="5974000" />
+      <workItem from="1541263187731" duration="12394000" />
     </task>
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="TestStudent_implementationTest - 2018.11.11 at 12h 14m 35s.xml">
-      <configuration name="TestStudent.implementationTest" configurationId="JUnit" />
+    <history-entry file="TestInstructor_lectureTest - 2018.11.11 at 12h 50m 35s.xml">
+      <configuration name="TestInstructor.lectureTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestStudent_implementationTest - 2018.11.11 at 12h 14m 49s.xml">
-      <configuration name="TestStudent.implementationTest" configurationId="JUnit" />
+    <history-entry file="TestPeople_addTest - 2018.11.11 at 13h 32m 35s.xml">
+      <configuration name="TestPeople.addTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestStudent_implementationTest - 2018.11.11 at 12h 15m 07s.xml">
-      <configuration name="TestStudent.implementationTest" configurationId="JUnit" />
+    <history-entry file="TestPeople_addTest - 2018.11.11 at 13h 32m 43s.xml">
+      <configuration name="TestPeople.addTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestStudent_implementationTest - 2018.11.11 at 12h 15m 14s.xml">
-      <configuration name="TestStudent.implementationTest" configurationId="JUnit" />
+    <history-entry file="TestPeople_addTest - 2018.11.11 at 13h 34m 52s.xml">
+      <configuration name="TestPeople.addTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestStudent_implementationTest - 2018.11.11 at 12h 15m 20s.xml">
-      <configuration name="TestStudent.implementationTest" configurationId="JUnit" />
+    <history-entry file="TestPeople_findByIdTest - 2018.11.11 at 14h 12m 08s.xml">
+      <configuration name="TestPeople.findByIdTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestStudent_learnTest - 2018.11.11 at 12h 25m 21s.xml">
-      <configuration name="TestStudent.learnTest" configurationId="JUnit" />
+    <history-entry file="TestPeople_removeTest1 - 2018.11.11 at 14h 21m 50s.xml">
+      <configuration name="TestPeople.removeTest1" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestStudent_learnTest - 2018.11.11 at 12h 25m 29s.xml">
-      <configuration name="TestStudent.learnTest" configurationId="JUnit" />
+    <history-entry file="TestPeople_removeTest1 - 2018.11.11 at 14h 24m 33s.xml">
+      <configuration name="TestPeople.removeTest1" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestStudent_learnTest - 2018.11.11 at 12h 25m 42s.xml">
-      <configuration name="TestStudent.learnTest" configurationId="JUnit" />
+    <history-entry file="TestPeople_removeTest1 - 2018.11.11 at 14h 24m 50s.xml">
+      <configuration name="TestPeople.removeTest1" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructor_implementationTest - 2018.11.11 at 12h 38m 13s.xml">
-      <configuration name="TestInstructor.implementationTest" configurationId="JUnit" />
+    <history-entry file="TestPeople_removeTest1 - 2018.11.11 at 14h 25m 08s.xml">
+      <configuration name="TestPeople.removeTest1" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestInstructor_teachTest - 2018.11.11 at 12h 44m 39s.xml">
-      <configuration name="TestInstructor.teachTest" configurationId="JUnit" />
+    <history-entry file="TestPeople_removeTest2 - 2018.11.11 at 14h 29m 36s.xml">
+      <configuration name="TestPeople.removeTest2" configurationId="JUnit" />
     </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="5974000" />
+    <option name="totallyTimeSpent" value="12394000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1280" height="800" extended-state="0" />
@@ -459,16 +457,16 @@
       <window_info id="UI Designer" />
       <window_info id="Capture Tool" />
       <window_info id="Favorites" side_tool="true" />
-      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.28675282" />
+      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.28675282" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
-      <window_info anchor="bottom" id="Messages" weight="0.32876712" />
+      <window_info active="true" anchor="bottom" id="Messages" visible="true" 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" />
       <window_info anchor="bottom" id="Event Log" side_tool="true" />
       <window_info anchor="bottom" id="Message" order="0" />
       <window_info anchor="bottom" id="Find" order="1" />
-      <window_info anchor="bottom" id="Run" order="2" visible="true" weight="0.27945206" />
+      <window_info anchor="bottom" id="Run" order="2" weight="0.27945206" />
       <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
       <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
       <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
@@ -477,7 +475,7 @@
       <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="Database" weight="0.32956383" />
       <window_info anchor="right" id="Maven Projects" />
       <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" />
@@ -507,35 +505,6 @@
         </state>
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-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestPerson.java">
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-            <element signature="imports" expanded="true" />
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     <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentTest.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="136">
@@ -565,10 +534,26 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/TestStudent.java">
+    <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="561">
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+        <state relative-caret-position="326">
+          <caret line="52" column="67" selection-start-line="52" selection-start-column="67" selection-end-line="52" selection-end-column="67" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <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="340">
+          <caret line="20" selection-start-line="20" selection-end-line="20" />
+          <folding>
+            <element signature="e#124#125#0" expanded="true" />
+            <element signature="e#149#150#0" expanded="true" />
+            <element signature="e#227#228#0" expanded="true" />
+            <element signature="e#249#250#0" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
@@ -579,23 +564,60 @@
         </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/TestStudent.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="340">
-          <caret line="20" selection-start-line="20" selection-end-line="20" />
+        <state relative-caret-position="561">
+          <caret line="34" column="30" selection-start-line="34" selection-start-column="30" selection-end-line="34" selection-end-column="30" />
+        </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="309">
+          <caret line="29" column="53" selection-start-line="29" selection-start-column="53" selection-end-line="29" selection-end-column="53" />
           <folding>
-            <element signature="e#124#125#0" expanded="true" />
+            <element signature="imports" expanded="true" />
+          </folding>
+        </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="156">
+          <caret line="19" column="27" selection-start-line="19" selection-start-column="27" selection-end-line="19" selection-end-column="27" />
+          <folding>
+            <element signature="e#147#148#0" expanded="true" />
+            <element signature="e#169#170#0" expanded="true" />
+            <element signature="e#105#106#0" expanded="true" />
+            <element signature="e#133#134#0" expanded="true" />
             <element signature="e#149#150#0" expanded="true" />
-            <element signature="e#227#228#0" expanded="true" />
-            <element signature="e#249#250#0" expanded="true" />
+            <element signature="e#182#183#0" expanded="true" />
+            <element signature="e#372#373#0" expanded="true" />
+            <element signature="e#399#400#0" expanded="true" />
+            <element signature="e#487#488#0" expanded="true" />
+            <element signature="e#519#520#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/main/java/io/zipcoder/interfaces/People.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="198">
+          <caret line="21" column="9" lean-forward="true" selection-start-line="21" selection-start-column="9" selection-end-line="21" selection-end-column="9" />
+        </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="153">
+          <caret line="9" column="38" lean-forward="true" selection-start-line="9" selection-start-column="38" selection-end-line="9" selection-end-column="38" />
+        </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="437">
-          <caret line="49" column="8" selection-start-line="49" selection-start-column="8" selection-end-line="49" selection-end-column="8" />
+        <state relative-caret-position="595">
+          <caret line="35" column="19" selection-start-line="35" selection-start-column="19" selection-end-line="35" selection-end-column="19" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>

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

@@ -0,0 +1,44 @@
+package io.zipcoder.interfaces;
+
+import java.util.ArrayList;
+
+public class People {
+
+    private ArrayList <Person> personList = new ArrayList<>();
+
+    public void add(Person person) {
+        //Person person = new Person(123);
+        personList.add(person);
+    }
+
+    public Person findById(long id) {
+        Person result = null;
+        for (int i = 0; i < personList.size(); i++) {
+            if (id == (personList.get(i).getId())) {
+                result = personList.get(i);
+            } else {
+                result = null;
+            }
+        }
+        return result;
+    }
+
+    public void removeByName(Person person) {
+        for (int i = 0; i < personList.size(); i++) {
+            if (person.equals(personList.get(i).getName())){
+                personList.remove(i);
+            }
+        }
+    }
+
+    public void removeById(long id) {
+        for (int i = 0; i < personList.size(); i++) {
+            if (id == personList.get(i).getId()) {
+                personList.remove(i);
+            }
+        }
+    }
+
+
+
+}

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

@@ -17,10 +17,10 @@ public class Person {
         return id;
         }
 
-//    public Person(long id, String name) {
-//        this.id = id;
-//        this.name = name;
-//    }
+    public Person(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
 
     public String getName() {
         return name;

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

@@ -0,0 +1,23 @@
+package io.zipcoder.interfaces;
+
+public final class Students extends People {
+    private static Students INSTANCE;
+
+    private Students() {
+        Student Jae = new Student(1);
+        Student Ari = new Student(2);
+        Student Josh = new Student(3);
+
+        this.add(Jae);
+        this.add(Ari);
+        this.add(Josh);
+    }
+
+    public static Students getINSTANCE() {
+        if (INSTANCE == null) {
+            INSTANCE = new Students();
+        }
+        return INSTANCE;
+    }
+
+}

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

@@ -1,4 +1,76 @@
 package io.zipcoder.interfaces;
 
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+
 public class TestPeople {
-}
+
+    @Test
+    public void addTest() {
+        //given
+        Person person = new Person(123);
+        Person person1 = new Person(222);
+        ArrayList<Person> people = new ArrayList<>();
+
+        //when
+        people.add(person);
+        people.add(person1);
+
+        //then
+        Assert.assertEquals(2, people.size());
+    }
+
+    @Test
+    public void findByIdTest() {
+        //given
+        Person person = new Person(123);
+        Person person1 = new Person(000);
+        ArrayList <Person> people= new ArrayList<>();
+        people.add(person);
+        people.add(person1);
+        Person expected = person1;
+
+        //when
+        //people.findById(000);
+
+        //then
+        // Assert.assertEquals(expected, people.findById(000));
+    }
+
+    @Test
+    public void removeTest1() {
+        //given
+        Person person = new Person(123, "Arpita");
+        Person person1 = new Person(000, "Jae");      //will remove, but not by name :( WHY
+        //People people = new People();
+        ArrayList<Person> peeps = new ArrayList<>();
+        peeps.add(person);
+        peeps.add(person1);
+        int expected = 1;
+
+        //when
+        peeps.remove(person);
+
+        //then
+        Assert.assertEquals(expected, peeps.size());
+    }
+
+    @Test
+    public void removeTest2() {
+        //given
+        Person person = new Person(123, "A");              //somethings wrong with my People class...
+        Person person1 = new Person(000, "J");
+        People people = new People();
+        ArrayList <Person> peeps = new ArrayList<>();
+        peeps.add(person);
+        peeps.add(person1);
+        int expected = 1;
+
+        //when
+        people.removeById(000);
+
+        Assert.assertEquals(expected, peeps.size());
+    }
+}