all classes done, need tests

demo/src/main/java/com/example/demo/Classroom.java

@@ -0,0 +1,35 @@
+package com.example.demo;
+
+public class Classroom {
+    private Instructors instructors;
+    private Students students;
+    public Classroom(){
+
+    }
+
+    public Classroom(Instructors instructors, Students students) {
+        this.instructors = instructors;
+        this.students = students;
+    }
+
+    public void hostLecture (Teacher teacher, double numbersOfHours){
+        teacher.lecture(students,numbersOfHours);
+
+    }
+
+    public Instructors getInstructors() {
+        return instructors;
+    }
+
+    public void setInstructors(Instructors instructors) {
+        this.instructors = instructors;
+    }
+
+    public Students getStudents() {
+        return students;
+    }
+
+    public void setStudents(Students students) {
+        this.students = students;
+    }
+}

demo/src/main/java/com/example/demo/ClassroomConfig.java

@@ -0,0 +1,26 @@
+package com.example.demo;
+
+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){
+    return new Classroom(instructors, students);
+    }
+
+
+
+    @Bean(name = "previousCohort")
+    @DependsOn({"instructors" , "students"})
+    public Classroom previousCohort(Instructors instructors, Students students){
+        return new Classroom(instructors, students);
+
+    }
+
+}

demo/src/main/java/com/example/demo/Instructor.java

@@ -0,0 +1,35 @@
+package com.example.demo;
+
+import java.util.Iterator;
+
+public class Instructor extends Person  implements Teacher{
+
+
+    public Instructor(long id, String name) {
+        super(id, name);
+
+    }
+
+
+    @Override
+    public void teach(Learner learner, double numberOfHours) {
+        learner.learn (numberOfHours);
+
+
+    }
+
+    @Override
+    public void lecture(Iterable<? extends Learner> learners, double numberOfHours) {
+        int count = 0;
+        Iterator iterator = learners.iterator();
+
+        while (iterator.hasNext()){
+            count++;
+        }
+        for (Learner l: learners) {
+            l.learn(numberOfHours/count);
+
+        }
+
+    }
+}

demo/src/main/java/com/example/demo/Instructors.java

@@ -0,0 +1,17 @@
+package com.example.demo;
+
+import java.util.Iterator;
+
+
+public class Instructors extends People<Instructor> {
+    public Instructors(Instructor ... instructors) {
+        super(instructors);
+    }
+
+
+
+    @Override
+    public Iterator<Instructor> iterator() {
+        return null;
+    }
+}

demo/src/main/java/com/example/demo/InstructorsConfig.java

@@ -0,0 +1,31 @@
+package com.example.demo;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+
+
+@Configuration
+public class InstructorsConfig {
+
+    @Bean(name = "tcUsaInstructors")
+    public Instructors tcUsaInstructors() {
+        return new Instructors();
+    }
+
+
+    @Bean(name = "tcUkInsructors")
+    public Instructors tcUkInstrructors (){
+
+        return new Instructors();
+    }
+
+
+
+    @Bean(name = "instructors")
+    @Primary
+    public Instructors ZipCodeInstructors(){
+
+        return new Instructors();
+    }
+}

demo/src/main/java/com/example/demo/People.java

@@ -0,0 +1,53 @@
+package com.example.demo;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public abstract class People <PersonType extends Person> implements Iterable<PersonType>{
+     List<PersonType> personList;
+
+    public People(Person ... people) {
+       this.personList = new ArrayList(Arrays.asList(people));
+
+    }
+
+    public People() {
+
+        this.personList = new ArrayList<>();
+    }
+
+    public void add(PersonType person){
+        personList.add(person);
+    }
+    public void remove(PersonType person){
+        personList.remove(person);
+    }
+    public int size(){
+
+        return personList.size();
+    }
+    public void clear(){
+        personList.clear();
+    }
+    public void addAll(Iterable<PersonType> personTypeIterable){
+        for (PersonType person:personTypeIterable) {
+            personList.add(person);
+        }
+
+    }
+    public PersonType findById(Long id){
+        for (PersonType person: personList) {
+            if (person.getId() == id){
+                return person;
+            }
+        }
+        return null;
+    }
+    public List<PersonType> findAll(){
+        return personList;
+    }
+
+
+
+}

demo/src/main/java/com/example/demo/Person.java

@@ -4,11 +4,12 @@ public class Person {
   private final long id;
   private String name;
 
-    public Person(long id) {
+    public Person(long id, String name) {
         this.id = id;
         this.name=name;
     }
 
+
     public long getId() {
         return id;
     }

demo/src/main/java/com/example/demo/Student.java

@@ -1,19 +1,29 @@
 package com.example.demo;
 
 public class Student extends Person implements Learner {
-   private Double totalStudyTime;
+   private double totalStudyTime;
 
-    public Student(long id) {
-        super(id);
+    public Student(long id, String name) {
+        super(id,name);
+    }
+
+    public Student(long id, String name, double totalStudyTime) {
+        super(id, name);
+        this.totalStudyTime = totalStudyTime;
+    }
+    public Double getTotalStudyTime() {
+        return totalStudyTime;
+    }
+
+    public void setTotalStudyTime(double totalStudyTime) {
+        this.totalStudyTime = totalStudyTime;
     }
 
     @Override
     public void learn(Double numberOfHours) {
-        this.totalStudyTime = totalStudyTime+numberOfHours;
+        this.totalStudyTime += numberOfHours;
 
     }
 
-    public Double getTotalStudyTime() {
-        return totalStudyTime;
-    }
+
 }

demo/src/main/java/com/example/demo/StudentConfig.java

@@ -0,0 +1,19 @@
+package com.example.demo;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class StudentConfig {
+
+    @Bean(name = "students")
+    public Students currrentStudents (){
+        return new Students();
+
+    }
+    @Bean(name = "previousStudents")
+    public Students previousStudents(){
+        return new Students();
+
+    }
+}

demo/src/main/java/com/example/demo/Students.java

@@ -0,0 +1,21 @@
+package com.example.demo;
+
+import java.util.Iterator;
+
+public class Students extends People<Student> {
+
+
+
+    public Students(Student ... students) {
+        super(students);
+    }
+
+    @Override
+    public Iterator iterator() {
+        return personList.iterator();
+    }
+
+
+
+
+}

demo/src/main/java/com/example/demo/Teacher.java

@@ -1,7 +1,7 @@
 package com.example.demo;
 
 public interface Teacher {
-    void teach(double numberOfHours);
+    void teach(Learner learner,double numberOfHours);
     void lecture(Iterable<? extends Learner> learners,double numberOfHours);
 }
 

demo/src/test/java/com/example/demo/StudentConfTest.java

@@ -0,0 +1,16 @@
+package com.example.demo;
+
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class StudentConfTest {
+    Student Student;
+    Student prevStudent;
+
+    
+
+
+}