import java.util.Arrays;
public class QuestionMultipleChoice extends Question
{
   protected String questionDescription;
   protected String[] answerOptions;
   protected int      numOptions;
  
   public QuestionMultipleChoice(int points, String description)
   {
      // call the constructor of the base class
      super(points);
      questionDescription = description;
      numOptions = 0;
      // allocate enough space to store 10 answer options
      answerOptions = new String[10];
   }

   public String getQuestion()
   {
      String question = questionDescription+"\n";
      for (int i = 0; i < numOptions; i++)
      {
         question+=answerOptions[i]+"\n";
      }
      return question;
   }

   public void addAnswerOption(String option)
   {
      // allocate space to store this option, if needed
      if (answerOptions.length <= numOptions)
      {
         answerOptions = Arrays.copyOf(answerOptions, answerOptions.length*2); 
      }
      answerOptions[numOptions] = option;
      numOptions++;
   }
}