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+          <caret line="15" column="20" lean-forward="true" selection-start-line="15" selection-start-column="20" selection-end-line="15" selection-end-column="20" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/mesolabs/beans/learnerlab/Student.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/mesolabs/beans/learnerlab/People.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="465">
-          <caret line="34" column="8" selection-start-line="34" selection-start-column="8" selection-end-line="34" selection-end-column="8" />
+        <state relative-caret-position="-93">
+          <caret line="29" column="38" lean-forward="true" selection-start-line="29" selection-start-column="38" selection-end-line="29" selection-end-column="38" />
+          <folding>
+            <element signature="imports" expanded="true" />
+            <element signature="e#1755#1756#0" expanded="true" />
+            <element signature="e#1738#1739#0" expanded="true" />
+            <element signature="e#1778#1779#0" expanded="true" />
+            <element signature="e#1856#1857#0" expanded="true" />
+            <element signature="e#1892#1893#0" expanded="true" />
+            <element signature="e#1919#1920#0" expanded="true" />
+            <element signature="e#1953#1954#0" expanded="true" />
+            <element signature="e#2003#2004#0" expanded="true" />
+            <element signature="e#2063#2064#0" expanded="true" />
+            <element signature="e#2293#2294#0" expanded="true" />
+            <element signature="e#2320#2321#0" expanded="true" />
+            <element signature="e#2519#2520#0" expanded="true" />
+            <element signature="e#2563#2564#0" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/com/mesolabs/beans/learnerlab/StudentConfig.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="399">
-          <caret line="27" column="20" selection-start-line="27" selection-start-column="20" selection-end-line="27" selection-end-column="20" />
+        <state relative-caret-position="272">
+          <caret line="29" column="5" lean-forward="true" selection-start-line="29" selection-start-column="5" selection-end-line="29" selection-end-column="5" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/mesolabs/beans/learnerlab/Instructors.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="165">
+          <caret line="12" column="13" selection-start-line="12" selection-start-column="13" selection-end-line="12" selection-end-column="13" />
+          <folding>
+            <element signature="e#552#553#0" expanded="true" />
+            <element signature="e#579#580#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/com/mesolabs/beans/learnerlab/Students.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="255">
-          <caret line="17" column="1" selection-start-line="17" selection-start-column="1" selection-end-line="17" selection-end-column="1" />
+          <caret line="17" column="1" lean-forward="true" selection-start-line="17" selection-start-column="1" selection-end-line="17" selection-end-column="1" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/mesolabs/beans/learnerlab/Teacher.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/mesolabs/beans/learnerlab/InstructorConfig.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="255">
-          <caret line="17" column="17" selection-start-line="17" selection-start-column="17" selection-end-line="17" selection-end-column="17" />
+        <state relative-caret-position="168">
+          <caret line="18" column="35" lean-forward="true" selection-start-line="18" selection-start-column="35" selection-end-line="18" selection-end-column="35" />
+          <folding>
+            <element signature="imports" expanded="true" />
+            <element signature="e#810#811#0" expanded="true" />
+            <element signature="e#850#851#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/mesolabs/beans/learnerlab/Classroomconfig.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="285">
+          <caret line="19" column="40" selection-start-line="19" selection-start-column="32" selection-end-line="19" selection-end-column="40" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/com/mesolabs/beans/learnerlab/testStudentConfig.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="362">
+          <caret line="39" lean-forward="true" selection-start-line="39" selection-end-line="39" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>

src/main/java/com/mesolabs/beans/learnerlab/Classroom.java

 
 public class Classroom {
 
+    private Instructor instructor ;
+    private  Students students ;
+
+    public Classroom(Instructor instructor, Students students) {
+        this.instructor = instructor;
+        this.students = students;
+    }
+
+
     public void hostLecture(Teacher  teacher ,double numberOfHours){
+        teacher .lecture(students,numberOfHours   );
 
     }
 

src/main/java/com/mesolabs/beans/learnerlab/Classroomconfig.java

+package com.mesolabs.beans.learnerlab;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.DependsOn;
+
+@Configuration
+
+public class Classroomconfig {
+    @Bean(name="currentCohort")
+    @DependsOn({"instructors","students"})
+
+    public Classroom  currentCohort(Instructors instructors ,Students students ){
+         Classroom currentCohort = new Classroom(instructors,students);
+         return currentCohort ;
+
+
+    }
+    @Bean(name="previousCohort")
+    @DependsOn({"instructors","previous"})
+
+    public Classroom previousCohort(Instructors instructors, Students previous){
+
+        Classroom previousCohort = new Classroom(instructors,previous);
+
+        return previousCohort;
+    }
+}

src/main/java/com/mesolabs/beans/learnerlab/Instructor.java

 
 
     public Instructor(Long id, String name) {
+
         super(id, name);
     }
 

src/main/java/com/mesolabs/beans/learnerlab/InstructorConfig.java

+package com.mesolabs.beans.learnerlab;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Primary;
+
+public class InstructorConfig {
+
+
+    @Bean(name = "toUsaInstructors")
+    public Instructors tcUsaInstructors(){
+
+        return new Instructors(
+                new Instructor(0L, "Wilhelm"),
+                new Instructor(1L, "BobbyFLay"),
+                new Instructor(2L, "WakaFLocka")
+        );
+    }
+
+    @Bean(name = "tcUkInstructors")
+    public Instructors tcUkInstructors(){
+        return new Instructors(
+                new Instructor(0L, "Quavo"),
+                new Instructor(0L, "Offset"),
+                new Instructor(0L, "Takeoff")
+        );
+    }
+
+    @Primary
+    @Bean(name = "allInstructors")
+    public Instructors allInstructors(){
+        return new Instructors();
+    }
+}
+
+

src/main/java/com/mesolabs/beans/learnerlab/Instructors.java

 	* and pass them to the super constructor.
 
  */
-public class Instructors extends People{
+public class Instructors extends People<Instructor>{
 
-    public Instructors(ArrayList<Person > personList) {
+    public Instructors(Instructors ... instructors ) {
 
-        super(personList);
+        super(instructors);
     }
 
+
     @Override
-    public Iterator<Person> iterator() {
+    public Iterator<Instructor> iterator() {
         return null;
     }
 }

src/main/java/com/mesolabs/beans/learnerlab/People.java

 package com.mesolabs.beans.learnerlab;
 
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
 
 /*
 Create an abstract `People` class
 	* The class should define a method named `findAll` which returns the composite `personList`.
  */
 //Iterable<? extends Learner> learners
-public abstract class People  implements Iterable <Person> {
+public abstract class People<Persontype extends Person>  implements Iterable <Persontype> {
 
+    List<Persontype> list;
 
-    ArrayList<Person > personList;
+    //ArrayList<Person> personList;
 
-    public People(ArrayList<Person> personList) {
-        this.personList = personList;
+    public People(Persontype  plist) {
+        this.list = new ArrayList<Persontype>(Arrays.asList(plist));
     }
-    public void addPerson(Person e){
 
-        personList.add(e);
+    public void addPerson(Persontype e) {
+
+        list.add(e);
     }
 
     public int size() {
-        return personList.size();
-    }
-    public void removes(Person e){
-        personList.remove(e);
-    }
-    public void clear (){
-        personList.clear() ;
+        return list.size();
     }
-    public void addAll(Iterable <Person> p){
-        for (Person person : p) personList.add(person);
-    }
-
-    public Person findById(long id) {
-      //  Person tempPerson = null;
 
-        return personList.stream().filter(personList->personList.getId().equals(id)).findFirst().get();
+    public void removes(Persontype e) {
+        list.remove(e);
+    }
 
-        /*for (Person p : personList) {
+    public void clear() {
+        list.clear();
+    }
 
-            if (p.getId() == id) {
+    public void addAll(Iterable<Persontype> p) {
+        for (Persontype person : p) list.add(person);
+    }
 
-                tempPerson =p;
-                break;
+    public Persontype findById(long id) {
+        for(Persontype p : list){
+            if(p.getId() == id){
+                return p;
             }
-
         }
+       return null;
+        //return list.stream().filter(personList -> personList.getId().equals(id)).findFirst().get();
 
-        return tempPerson; */
     }
 
-    public ArrayList<Person> findAll(){
-        return personList ;
+    public List<Persontype> findAll() {
+        return list ;
+    }
+    @Override
+    public Iterator<Persontype> iterator() {
+        return list.iterator();
     }
 }
+

src/main/java/com/mesolabs/beans/learnerlab/Person.java

 
 public class Person {
 
-    public final Long id;
+    public  Long id;
      public   String name;
 
-    public Person(Long id,String name) {
+    public Person() {
+    }
+
+    public Person(Long id, String name) {
 
         this.id=id;
         this.name = name;

src/main/java/com/mesolabs/beans/learnerlab/Student.java

 
 public   class  Student  extends Person implements Learner {
 
-    double totalStudyTime;
+    Double totalStudyTime;
 
     //@Autowired
     //private GitProperties gitProperties;
     }
 
     public void learn(double numberOfHours){
+
         totalStudyTime += numberOfHours ;
     }
 

src/main/java/com/mesolabs/beans/learnerlab/StudentConfig.java

 import org.springframework.context.annotation.Configuration;
 
 import java.util.ArrayList;
+import java.util.Iterator;
 /*
 he class should define a method named `currentStudents()` which returns a `Students` representative of the current cohort of students.
 	* the method should be annotated with `@Bean(name = "students")`
  */
 
 @Configuration
+
 public class StudentConfig {
-    ArrayList<Student>students =new ArrayList<>() ;
+
+   // ArrayList<Student>students =new ArrayList<>() ;
+
 
     @Bean(name="students")
-    public Students currentStudents(){
+    public Students currentStudents() {
+
+        return new Students(new Student(0l, "the  Lauren"),
+                new Student(1L, "the  nate"));
 
-        return null;
     }
 
+        @Bean
     public  Students previousStudents(){
+        return new Students(new Student(0l,"the old Lauren"),
+                new Student(1L,,"the old nate"));
+
 
-        return null;
     }
 }

src/main/java/com/mesolabs/beans/learnerlab/Students.java

 
 import java.util.ArrayList;
 
-public  abstract class Students extends People  {
+public   class Students extends People <Student> {
 
 
-    public Students(ArrayList<Person> personList) {
+    public Students(Students... students) {
 
-        super(personList);
+        super(students);
     }
 }

src/test/java/com/mesolabs/beans/learnerlab/testStudentConfig.java

+package com.mesolabs.beans.learnerlab;
+
+
+import org.assertj.core.internal.Arrays;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.List;
+
+@RunWith(SpringRunner.class)
+
+@SpringBootTest
+public class testStudentConfig {
+    @Autowired
+    @Qualifier("previousStudents")
+
+    private Students perviousStudents;
+
+    @Autowired
+    @Qualifier ("students")
+    private Students currentstudents;
+
+    @Test
+    public void testPreviousStudents(){
+        List<String>names= Arrays.asList("Lauren Nate X" .split(","));
+        for (Student student: previousStudents){
+            String name=student.getName() ;
+            boolean outcome=((List) names).contains(name);
+            Assert.assertTrue(outcome );
+        }
+
+    }
+
+
+
+
+
+}