Kinda done

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+      <configuration name="ZipCodeWilmingtonTest.testHostLecture" 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 file="ZipCodeWilmingtonTest_testHostLecture - 2018.11.15 at 17h 49m 25s.xml">
+      <configuration name="ZipCodeWilmingtonTest.testHostLecture" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="StudentsTest_StudentsTest - 2018.11.14 at 17h 28m 11s.xml">
-      <configuration name="StudentsTest.StudentsTest" configurationId="JUnit" />
+    <history-entry file="ZipCodeWilmingtonTest_testHostLecture - 2018.11.15 at 17h 51m 12s.xml">
+      <configuration name="ZipCodeWilmingtonTest.testHostLecture" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="InstructorsTest_InstructorsTest - 2018.11.14 at 17h 37m 47s.xml">
-      <configuration name="InstructorsTest.InstructorsTest" configurationId="JUnit" />
+    <history-entry file="ZipCodeWilmingtonTest_testHostLecture - 2018.11.15 at 18h 05m 35s.xml">
+      <configuration name="ZipCodeWilmingtonTest.testHostLecture" configurationId="JUnit" />
     </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="35189000" />
+    <option name="totallyTimeSpent" value="40159000" />
   </component>
   <component name="ToolWindowManager">
-    <frame x="-332" y="-1023" width="1902" height="929" extended-state="0" />
+    <frame x="-268" y="-1011" width="1838" height="929" extended-state="0" />
+    <editor active="true" />
     <layout>
-      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.088709675" />
+      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.19042316" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
       <window_info id="Image Layers" order="2" />
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       <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="0.37961596" />
+      <window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.37960687" />
       <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="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" visible="true" weight="0.17199017" />
+      <window_info anchor="bottom" id="Terminal" order="9" weight="0.17199017" />
       <window_info anchor="bottom" id="Event Log" order="10" side_tool="true" />
-      <window_info anchor="bottom" id="Messages" order="11" weight="0.3264402" />
+      <window_info anchor="bottom" id="Messages" order="11" weight="0.32555282" />
       <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" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentTest.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="105">
-          <caret line="7" column="34" lean-forward="true" selection-start-line="7" selection-start-column="34" selection-end-line="7" selection-end-column="34" />
+        <state relative-caret-position="253">
+          <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" />
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+            <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/main/java/io/zipcoder/interfaces/Person.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="75">
-          <caret line="5" column="11" selection-start-line="5" selection-start-column="11" selection-end-line="5" selection-end-column="11" />
+        <state relative-caret-position="795">
+          <caret line="53" selection-start-line="53" selection-end-line="53" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/StudentsTest.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="330">
-          <caret line="22" column="5" lean-forward="true" selection-start-line="11" selection-start-column="4" selection-end-line="22" selection-end-column="5" />
+        <state relative-caret-position="105">
+          <caret line="7" column="34" selection-start-line="7" selection-start-column="34" selection-end-line="7" selection-end-column="34" />
           <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/test/java/io/zipcoder/interfaces/StudentsTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="488">
-          <caret line="53" lean-forward="true" selection-start-line="53" selection-end-line="53" />
+        <state relative-caret-position="330">
+          <caret line="22" column="5" selection-start-line="11" selection-start-column="4" selection-end-line="22" selection-end-column="5" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java">
+    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorsTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="105">
-          <caret line="7" column="24" selection-start-line="7" selection-start-column="4" selection-end-line="7" selection-end-column="24" />
+        <state relative-caret-position="195">
+          <caret line="13" column="24" selection-start-line="13" selection-start-column="24" selection-end-line="13" selection-end-column="24" />
           <folding>
             <element signature="imports" expanded="true" />
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-            <element signature="e#256#257#0" 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="75">
+          <caret line="5" column="11" selection-start-line="5" selection-start-column="11" selection-end-line="5" selection-end-column="11" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Learner.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="30">
+          <caret line="2" column="17" selection-start-line="2" selection-start-column="17" selection-end-line="2" selection-end-column="17" />
+        </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="120">
-          <caret line="8" selection-start-line="8" selection-end-line="8" />
+        <state relative-caret-position="285">
+          <caret line="19" selection-start-line="19" selection-end-line="19" />
           <folding>
             <element signature="e#137#138#0" expanded="true" />
             <element signature="e#168#169#0" expanded="true" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/People.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Instructors.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="253">
-          <caret line="19" column="9" selection-start-line="19" selection-start-column="9" selection-end-line="19" selection-end-column="9" />
+        <state relative-caret-position="105">
+          <caret line="7" column="24" selection-start-line="7" selection-start-column="4" selection-end-line="7" selection-end-column="24" />
           <folding>
             <element signature="imports" expanded="true" />
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           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/InstructorsTest.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/io/zipcoder/interfaces/Students.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="195">
-          <caret line="13" column="24" selection-start-line="13" selection-start-column="24" selection-end-line="13" selection-end-column="24" />
+        <state relative-caret-position="428">
+          <caret line="52" column="8" selection-start-line="52" selection-start-column="8" selection-end-line="52" selection-end-column="58" />
           <folding>
             <element signature="imports" expanded="true" />
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     <entry file="file://$PROJECT_DIR$/src/test/java/io/zipcoder/interfaces/ZipCodeWilmingtonTest.java">
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-          </folding>
+        <state relative-caret-position="105">
+          <caret line="10" selection-start-line="10" selection-end-line="10" />
         </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="165">
-          <caret line="11" selection-start-line="11" selection-end-line="11" />
+        <state relative-caret-position="225">
+          <caret line="15" column="45" lean-forward="true" selection-start-line="15" selection-start-column="45" selection-end-line="15" selection-end-column="45" />
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     <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="30">
-          <caret line="2" column="22" selection-start-line="2" selection-start-column="22" selection-end-line="2" selection-end-column="22" />
+        <state relative-caret-position="-120">
+          <caret line="13" selection-start-line="13" selection-end-line="13" selection-end-column="72" />
           <folding>
-            <element signature="e#624#625#0" expanded="true" />
-            <element signature="e#655#656#0" expanded="true" />
+            <element signature="e#805#806#0" expanded="true" />
+            <element signature="e#836#837#0" expanded="true" />
+            <element signature="e#1010#1011#0" expanded="true" />
+            <element signature="e#1052#1053#0" expanded="true" />
           </folding>
         </state>
       </provider>

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

 public class ZipCodeWilmington {
 
     private static final ZipCodeWilmington INSTANCE = new ZipCodeWilmington();
-    private Learner[] cohort;
+
 
     private ZipCodeWilmington() {
 
     }
 
-    private static final Students students = new Students();
-    private static final Instructors instructors = new Instructors();
+    private static final Students students = Students.getINSTANCE();
+    private static final Instructors instructors = Instructors.getINSTANCE();
+    private Learner[] cohort = new Learner[students.studentList.size()];
 
     public void hostLecture(Teacher teacher, double numberOfHours) {
 
+        addLearners(students);
 
         instructors.lecture((Learner[]) students.studentList.toArray(), numberOfHours);
 
     }
 
 
+
+    public void addLearners(Students students){
+        for (int i = 0; i < students.studentList.size(); i++){
+            cohort[i] = students.studentList.get(i);
+        }
+
+    }
+
+
     public static ZipCodeWilmington getINSTANCE() {
         return INSTANCE;
     }
+
+    public Student getStudent(){
+        return students.studentList.get(1);
+    }
+
+
 }

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

 package io.zipcoder.interfaces;
 
+import org.junit.Assert;
 import org.junit.Test;
 
 import static org.junit.Assert.*;
 
 
     ZipCodeWilmington zcw = ZipCodeWilmington.getINSTANCE();
+
     long id = 1;
     double numHours = 39;
 
 
         zcw.hostLecture(id, numHours);
 
-        double expected = 1;
-//        double actual = zcw.
+        double expected = 6;
+        double actual = zcw.getStudent().getTotalStudyTime();
+//
+        Assert.assertEquals(expected, actual);
+
+
+
 
     }
 }