Trhough Part 9

src/.idea/workspace.xml

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+      <change afterPath="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/Classroom.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/Instructors.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/StudentConfig.java" afterDir="false" />
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+      <change beforePath="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/Students.java" beforeDir="false" afterPath="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/Students.java" afterDir="false" />
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         <option value="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/Students.java" />
+        <option value="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/Instructors.java" />
         <option value="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/People.java" />
+        <option value="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/Classroom.java" />
+        <option value="$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/StudentConfig.java" />
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+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1545063695027" />
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     <servers />
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+    <option name="totallyTimeSpent" value="14007000" />
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       <window_info id="Designer" />
       <window_info id="Favorites" side_tool="true" />
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       <window_info id="Web" side_tool="true" />
-      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.2712906" />
+      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.13751264" />
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       <window_info anchor="bottom" id="Spring" />
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+    <entry file="file://$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/Instructors.java">
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+    </entry>
+    <entry file="file://$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/Classroom.java">
+      <provider selected="true" editor-type-id="text-editor">
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+    <entry file="file://$PROJECT_DIR$/main/java/com/zipcode/wilmington/beanjawn/StudentConfig.java">
+      <provider selected="true" editor-type-id="text-editor">
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+        </state>
+      </provider>
+    </entry>
   </component>
 </project>

src/main/java/com/zipcode/wilmington/beanjawn/Classroom.java

+package com.zipcode.wilmington.beanjawn;
+
+public class Classroom {
+
+    Students students;
+    Instructors instrustors;
+
+    public Classroom() {
+    }
+
+    public Classroom(Instructors instructors, Students students){
+        this.instrustors = instructors;
+        this.students = students;
+    }
+
+    public void hostLecture(Teacher teacher, double numberOfHours){
+        teacher.lecture(students, numberOfHours);
+    }
+}

src/main/java/com/zipcode/wilmington/beanjawn/Instructors.java

+package com.zipcode.wilmington.beanjawn;
+
+import java.util.Iterator;
+
+public class Instructors extends People<Instructor> {
+
+    public Instructors(Instructor ... instructors) {
+        super(instructors);
+    }
+
+}

src/main/java/com/zipcode/wilmington/beanjawn/InstructorsConfig.java

+package com.zipcode.wilmington.beanjawn;
+
+public class InstructorsConfig {
+}

src/main/java/com/zipcode/wilmington/beanjawn/People.java

 package com.zipcode.wilmington.beanjawn;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Iterator;
 import java.util.List;
 import java.util.stream.StreamSupport;
     private ArrayList<PersonType> personList;
 
     public People() {
-        this.personList = new ArrayList<>();
+        personList = new ArrayList<>();
     }
 
 
-    public People(ArrayList<PersonType> ptList) {
-        this.personList = ptList;
+    public People(PersonType...p) {
+        this.personList = new ArrayList<>(Arrays.asList(p));
     }
 
     public void add(PersonType pt) {
-        personList.add(pt);
+        this.personList.add(pt);
     }
 
     public void remove(PersonType pt) {
-        personList.remove(pt);
+        this.personList.remove(pt);
     }
 
     public Integer size() {
-        return personList.size();
+        return this.personList.size();
     }
 
     public void clear() {
     }
 
     public void addAll(Iterable<PersonType> ptIterable) {
-        ptIterable.forEach(personList::add);
+        //ptIterable.forEach(personList::add);
+        for (PersonType p: ptIterable){
+            this.personList.add(p);
+        }
 
 
     }
         return this.personList;
     }
 
+    @Override
+    public Iterator<PersonType> iterator(){
+        return personList.iterator();
+    }
 
 }

src/main/java/com/zipcode/wilmington/beanjawn/StudentConfig.java

+package com.zipcode.wilmington.beanjawn;
+
+import org.springframework.context.annotation.Bean;
+
+public class StudentConfig {
+
+    @Bean(name = "students")
+    public Students currentStudents(){
+        return new Students();
+
+    }
+
+    @Bean(name = "previousStudents")
+    public Students previousStudents(){
+        return new Students();
+
+    }
+}

src/main/java/com/zipcode/wilmington/beanjawn/Students.java

 package com.zipcode.wilmington.beanjawn;
 
-public class Students extends People {
+import java.util.Iterator;
+import java.util.Spliterator;
+import java.util.function.Consumer;
+
+public class Students extends People<Student> {
+
+    public Students(Student... students) {
+        super(students);
+    }
 
 }