public class StudentTest {
  public static void main(String[ ] args) {
     Student student1 = new Student("Alice");
     Student student2 = new Student("Bob");
     
     System.out.println("student1 is " + student1);
     System.out.println("student2 is " + student2.toString());

     student1.addQuiz(9);
     student2.addQuiz(7.5);
     
     System.out.println("After 1 quiz");
     System.out.println("student1 is " + student1);
     System.out.println("student1 has an average of " +
                        student1.getAverage());
     System.out.println("student2 is " + student2.toString());
     System.out.println("student2 has an average of " +
                        student2.getAverage());
     
     student1.addQuiz(8.5);
     student2.addQuiz(9.5);
     
     System.out.println("After 2 quizzes");
     System.out.println("student1 is " + student1);
     System.out.println("student1 has an average of " +
                        student1.getAverage());
     System.out.println("student2 is " + student2.toString());
     System.out.println("student2 has an average of " +
                        student2.getAverage());
     
     student1.addQuiz(8.0);
     student2.addQuiz(7.5);
     
     System.out.println("After 3 quizzes");
     System.out.println("student1 is " + student1);
     System.out.println("student1 has an average of " +
                        student1.getAverage());
     System.out.println("student2 is " + student2.toString());
     System.out.println("student2 has an average of " +
                        student2.getAverage());
     
     student1.addQuiz(7.5);
     student2.addQuiz(9.5);
     
     System.out.println("After 4 quizzes");
     System.out.println("student1 is " + student1);
     System.out.println("student1 has an average of " +
                        student1.getAverage());
     System.out.println("student2 is " + student2.toString());
     System.out.println("student2 has an average of " +
                        student2.getAverage());
  
  }
}