Finished up to Part 7

.idea/workspace.xml

@@ -2,22 +2,11 @@
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+      <change afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/PeopleTest.java" afterDir="false" />
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+      <change beforePath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorTest.java" afterDir="false" />
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   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
       <list>
         <option value="Interface" />
         <option value="Class" />
+        <option value="JUnit4 Test Class" />
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     </option>
   </component>
@@ -175,6 +175,8 @@
         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/Instructor.java" />
         <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java" />
         <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorTest.java" />
+        <option value="$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java" />
+        <option value="$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/PeopleTest.java" />
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+    <option name="y" value="-968" />
+    <option name="width" value="1837" />
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   <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
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@@ -203,7 +206,6 @@
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       <pane id="ProjectPane">
         <subPane>
           <expand>
@@ -262,17 +264,26 @@
           <select />
         </subPane>
       </pane>
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-    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1541930178148" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1542222694583" />
+    <property name="com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrary" value="JUnit4" />
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     <property name="last_opened_file_path" value="$PROJECT_DIR$" />
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     <property name="nodejs_npm_path_reset_for_default_project" value="true" />
   </component>
   <component name="RecentsManager">
+    <key name="CreateTestDialog.RecentsKey">
+      <recent name="io.zipcoder.interfaces" />
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+    <key name="CreateTestDialog.Recents.Supers">
+      <recent name="" />
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     <key name="CreateClassDialog.RecentsKey">
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+  <component name="RunManager" selected="JUnit.PeopleTest.removeTest2">
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@@ -299,14 +310,12 @@
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-      <option name="TEST_OBJECT" value="method" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.InstructorTest" />
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         <option name="Make" enabled="true" />
       </method>
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-    <configuration name="StudentTest.testInheritance" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="PeopleTest.addTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
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@@ -315,14 +324,14 @@
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+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.PeopleTest" />
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+    <configuration name="PeopleTest.findByIdTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
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@@ -331,14 +340,14 @@
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-      <option name="METHOD_NAME" value="testLearn" />
+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.PeopleTest" />
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-    <configuration name="TestPerson" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="PeopleTest.removeTest2" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
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@@ -347,12 +356,14 @@
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-    <configuration name="TestPerson.testSetAndGetName" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="PeopleTest.removeTestByPerson" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
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@@ -361,27 +372,27 @@
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+      <option name="MAIN_CLASS_NAME" value="io.zipcoder.interfaces.PeopleTest" />
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-      <item itemvalue="JUnit.StudentTest.testLearn" />
+      <item itemvalue="JUnit.InstructorTest" />
+      <item itemvalue="JUnit.PeopleTest.addTest" />
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+    <history-entry file="PeopleTest_findByIdTest - 2018.11.14 at 13h 54m 02s.xml">
+      <configuration name="PeopleTest.findByIdTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="TestPerson_testSetAndGetName - 2018.11.11 at 03h 46m 43s.xml">
-      <configuration name="TestPerson.testSetAndGetName" configurationId="JUnit" />
+    <history-entry file="PeopleTest_findByIdTest - 2018.11.14 at 13h 55m 05s.xml">
+      <configuration name="PeopleTest.findByIdTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="StudentTest_testImplementation - 2018.11.11 at 04h 04m 46s.xml">
-      <configuration name="StudentTest.testImplementation" configurationId="JUnit" />
+    <history-entry file="PeopleTest_findByIdTest - 2018.11.14 at 13h 59m 24s.xml">
+      <configuration name="PeopleTest.findByIdTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="StudentTest_testInheritance - 2018.11.11 at 04h 25m 19s.xml">
-      <configuration name="StudentTest.testInheritance" configurationId="JUnit" />
+    <history-entry file="PeopleTest_addTest - 2018.11.14 at 14h 03m 47s.xml">
+      <configuration name="PeopleTest.addTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="StudentTest_testLearn - 2018.11.11 at 04h 40m 17s.xml">
-      <configuration name="StudentTest.testLearn" configurationId="JUnit" />
+    <history-entry file="PeopleTest_findByIdTest - 2018.11.14 at 14h 05m 48s.xml">
+      <configuration name="PeopleTest.findByIdTest" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="StudentTest_testLearn - 2018.11.11 at 04h 41m 43s.xml">
-      <configuration name="StudentTest.testLearn" configurationId="JUnit" />
+    <history-entry file="PeopleTest_removeTestByPerson - 2018.11.14 at 14h 10m 44s.xml">
+      <configuration name="PeopleTest.removeTestByPerson" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="PeopleTest_removeTest2 - 2018.11.14 at 14h 11m 36s.xml">
+      <configuration name="PeopleTest.removeTest2" configurationId="JUnit" />
     </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="4977000" />
+    <option name="totallyTimeSpent" value="16497000" />
   </component>
   <component name="ToolWindowManager">
-    <frame x="0" y="30" width="1280" height="731" extended-state="6" />
+    <frame x="-332" y="-968" width="1837" height="906" 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 active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.24959612" />
+      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.06796657" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
-      <window_info anchor="bottom" id="Messages" weight="0.32954547" />
-      <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 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 anchor="bottom" id="Run" order="2" weight="0.32954547" />
+      <window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.38053098" />
       <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" />
       <window_info anchor="bottom" id="TODO" order="6" />
-      <window_info anchor="right" id="Palette" />
-      <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="0.11419249" />
+      <window_info anchor="bottom" id="Event Log" order="10" side_tool="true" />
+      <window_info anchor="bottom" id="Messages" order="11" weight="0.32743362" />
       <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="Palette&#9;" order="7" />
+      <window_info anchor="right" id="Maven Projects" order="8" />
     </layout>
     <layout-to-restore>
       <window_info id="Image Layers" order="0" />
@@ -493,42 +518,35 @@
     <option name="myLimit" value="2678400000" />
   </component>
   <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/Instructor.java" />
     <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="30">
-          <caret line="2" lean-forward="true" selection-start-line="2" selection-end-line="3" selection-end-column="24" />
+          <caret line="2" selection-start-line="2" selection-end-line="3" selection-end-column="24" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Person.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructor.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="75">
-          <caret line="5" column="18" selection-start-line="5" selection-start-column="18" selection-end-line="5" selection-end-column="18" />
-          <folding>
-            <element signature="e#103#104#0" expanded="true" />
-            <element signature="e#133#134#0" expanded="true" />
-            <element signature="e#164#165#0" expanded="true" />
-            <element signature="e#185#186#0" expanded="true" />
-            <element signature="e#261#262#0" expanded="true" />
-            <element signature="e#293#294#0" expanded="true" />
-          </folding>
+        <state relative-caret-position="240">
+          <caret line="16" column="5" lean-forward="true" selection-start-line="16" selection-start-column="5" selection-end-line="16" selection-end-column="5" />
         </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/Teacher.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="105">
-          <caret line="7" lean-forward="true" selection-start-line="7" selection-end-line="7" />
+        <state relative-caret-position="90">
+          <caret line="6" column="66" selection-start-line="6" selection-start-column="66" selection-end-line="6" selection-end-column="66" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/Instructor.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="15">
-          <caret line="1" lean-forward="true" selection-start-line="1" selection-end-line="1" />
+        <state relative-caret-position="105">
+          <caret line="7" selection-start-line="7" selection-end-line="7" />
         </state>
       </provider>
     </entry>
@@ -542,39 +560,59 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentTest.java">
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="240">
-          <caret line="16" column="62" lean-forward="true" selection-start-line="14" selection-start-column="8" selection-end-line="16" selection-end-column="62" />
+        <state relative-caret-position="252">
+          <caret line="56" column="29" selection-start-line="56" selection-start-column="29" selection-end-line="56" selection-end-column="29" />
           <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/main/java/io/zipcoder/interfaces/Person.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="90">
-          <caret line="6" column="66" selection-start-line="6" selection-start-column="66" selection-end-line="6" selection-end-column="66" />
+        <state relative-caret-position="150">
+          <caret line="12" selection-start-line="12" selection-end-line="15" />
         </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/StudentTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="60">
-          <caret line="4" selection-start-line="4" selection-end-line="4" />
+        <state relative-caret-position="210">
+          <caret line="16" column="62" selection-start-line="14" selection-start-column="8" selection-end-line="16" selection-end-column="62" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorTest.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="180">
-          <caret line="12" column="8" selection-start-line="12" selection-start-column="8" selection-end-line="12" selection-end-column="8" />
+        <state relative-caret-position="255">
+          <caret line="19" column="9" selection-start-line="19" selection-start-column="9" selection-end-line="19" selection-end-column="9" />
           <folding>
             <element signature="imports" expanded="true" />
+            <element signature="e#571#572#0" expanded="true" />
+            <element signature="e#612#613#0" expanded="true" />
+            <element signature="e#646#647#0" expanded="true" />
+            <element signature="e#693#694#0" expanded="true" />
+            <element signature="e#749#750#0" expanded="true" />
+            <element signature="e#789#790#0" expanded="true" />
+            <element signature="e#821#822#0" expanded="true" />
+            <element signature="e#874#875#0" expanded="true" />
+            <element signature="e#904#905#0" expanded="true" />
+            <element signature="e#952#953#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/PeopleTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="233">
+          <caret line="47" column="27" selection-start-line="47" selection-start-column="27" selection-end-line="47" selection-end-column="27" />
+        </state>
+      </provider>
+    </entry>
   </component>
 </project>

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

@@ -1,11 +1,18 @@
 package io.zipcoder.interfaces;
 
-public class Instructor implements Teacher {
+public class Instructor extends Person implements Teacher {
     public void teach(Learner learner, double numberOfHours) {
 
+        learner.learn(numberOfHours);
+
     }
 
     public void lecture(Learner[] learners, double numberOfHours) {
 
+        double numberOfHoursPerLearner = numberOfHours / learners.length;
+
+        for (int i = 0; i < learners.length; i++) {
+            teach(learners[i], numberOfHoursPerLearner);
+        }
     }
 }

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

@@ -0,0 +1,44 @@
+package io.zipcoder.interfaces;
+
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+
+public class People {
+
+    ArrayList<Person> personList = new ArrayList<Person>();
+
+    public void add(Person person) {
+        personList.add(person);
+    }
+
+    public Person findById(long id) {
+
+        for (Person p : personList){
+            if ( p.getId() == id){
+                return p;
+            }
+        }
+        return null;
+    }
+
+    public void remove(Person person){
+        personList.remove(person);
+    }
+
+    public void remove(long id){
+        personList.remove(findById(id));
+    }
+
+    public int getCount(ArrayList<Person> personList){
+        return personList.size();
+    }
+
+    public Array[] getArray(){
+        return (Array[]) personList.toArray();
+    }
+
+    public void removeAll(){
+        personList.removeAll(personList);
+    }
+
+}

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

@@ -5,14 +5,60 @@ import org.junit.Test;
 import org.junit.Assert;
 import sun.jvm.hotspot.oops.Instance;
 
-public class InstructorTest implements Teacher {
+public class InstructorTest {
 
-    public void testImplementation(){
-        Teacher teacher = new Instructor();
+    @Test
+    public void testImplementation() {
+        Instructor instructor = new Instructor();
 
-        
+        boolean expected = true;
+        boolean actual = (instructor instanceof Teacher);
 
-        Assert.assertEquals(true, Instructor instanceof teacher);
+
+        Assert.assertEquals(true, actual);
+    }
+
+    @Test
+    public void testInheritance() {
+        Instructor instructor = new Instructor();
+        Person person = new Person();
+
+        boolean expected = true;
+        boolean actual = (instructor instanceof Person);
+
+
+        Assert.assertEquals(true, actual);
+    }
+
+    @Test
+    public void testTeach() {
+        Instructor instructor = new Instructor();
+        Student student = new Student();
+
+        double numHours = 5;
+        instructor.teach(student, numHours);
+
+        double expected = 10;
+        double actual = student.totalStudyTime;
+
+
+        Assert.assertEquals(expected, actual, .001);
+    }
+
+    @Test
+    public void testLecture() {
+        Instructor instructor = new Instructor();
+        Student student = new Student();
+        Student student2 = new Student();
+        Learner[] learners = { student, student2 };
+
+        instructor.lecture(learners, 100);
+
+        double expected = 55;
+        double actual = student.totalStudyTime;
+
+
+        Assert.assertEquals(expected, actual, .001);
     }
 
 

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

@@ -0,0 +1,56 @@
+package io.zipcoder.interfaces;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+
+import static org.junit.Assert.*;
+
+public class PeopleTest {
+    ArrayList<Person> persons = new ArrayList();
+    Person person = new Person();
+    People people = new People();
+
+
+    @Test
+    public void addTest() {
+        persons.add(person);
+
+        int expected = 1;
+
+        Assert.assertEquals(expected, persons.size());
+    }
+
+    @Test
+    public void findByIdTest() {
+        people.add(person);
+
+        Person expected = person;
+        Person actual = people.findById(person.getId());
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void removeTestByPerson() {
+        people.remove(person);
+
+        int expected = 0;
+        int actual = (int) people.getCount(persons);
+
+        Assert.assertEquals(expected, actual);
+
+    }
+
+    @Test
+    public void removeTest2() {
+        people.add(person);
+        people.remove(person.getId());
+
+        int expected = 0;
+        int actual = (int) people.getCount(persons);
+
+        Assert.assertEquals(expected, actual);
+    }
+}