      1  public class QuizDemo

      2  {

      3     public static void main(String[] args)

      4     {

      5        Question first = new Question();

      6        first.setText("Who was the inventor of Java?");

      7        first.setAnswer("James Gosling");

      8

      9        ChoiceQuestion second = new ChoiceQuestion();

     10        second.setText("In which country was the inventor of Java born?");

     11        second.addChoice("Australia", false);

     12        second.addChoice("Canada", true);

     13        second.addChoice("Denmark", false);

     14        second.addChoice("United States", false);

     15

     16        Quiz q = new Quiz();

     17        q.addQuestion(first);

     18        q.addQuestion(second);

     19        q.presentQuestions();

     20     }

     21  }