1  import java.util.ArrayList;

  2  import java.util.Scanner;

  3  

  4  /**

  5     A quiz contains a list of questions.

  6  */

  7  public class Quiz

  8  {

  9     private ArrayList<Question> questions;

 10     

 11     /**

 12        Constructs a quiz with no questions.

 13     */

 14     public Quiz()

 15     {

 16        questions = new ArrayList<Question>();

 17     }

 18  

 19     /**

 20        Adds a question to this quiz.

 21        @param q the question

 22     */

 23     public void addQuestion(Question q)

 24     {

 25        questions.add(q);

 26     }

 27  

 28     /**

 29        Presents the questions to the user and checks the response.

 30     */

 31     public void presentQuestions()

 32     {

 33        Scanner in = new Scanner(System.in);

 34  

 35        for (Question q : questions)

 36        {

 37           q.display();

 38           System.out.print("Your answer: ");

 39           String response = in.nextLine();

 40           System.out.println(q.checkAnswer(response));

 41        }

 42     }

 43  }

 44