sarting class cohort

src/main/java/App.java

 public class App {
   public static void main(String[] args){
-    // TODO add code
+    Student toto = new Student("Toto", "Totoro");
+    Grade toto_UEpro = new Grade(0.0);
+    Grade toto_Sport = new Grade(5.0);
+    toto.addResult("UE_pro", toto_UEpro);
+    toto.addResult("toto_Sport", toto_Sport);
+    toto.printResults();
   }
 }

src/main/java/Cohort.java

@@ -24,7 +24,7 @@ public class Cohort {
    * @param student the student to be added to the cohort
    */
   public void addStudent(Student student){
-    // TODO : add code
+    this.students.add(student);
   }
 
   /**
@@ -32,8 +32,7 @@ public class Cohort {
    * @return the list of students of the cohort.
    */
   public List<Student> getStudents(){
-    // TODO : change code
-    return null;
+    return this.students;
   }
 
   /**
@@ -50,7 +49,13 @@ public class Cohort {
    */
   @Override
   public String toString() {
-    // TODO : change code
+    String textToReturn = "";
+    System.out.println(this.name + "\n");
+    for (Student student : this.students) {
+      System.out.println("\n");
+      student.printResults();
+    }
+
     return null;
   }
 }