factualquestion.java

一个用Java编写的问答程序

package qa;

public class FactualQuestion extends Question
{
	private FactualAnswer factA;
	private String questionText;
	private FactualQuestion factHint;
	
	protected FactualQuestion()
	{
	
	}
	
	protected FactualQuestion(FactualAnswer a, String text)
	{
		factA = a;
		questionText = text;
	}
	
	public void setAnswer(FactualAnswer a)
	{
		factA = a;
	}
	
	public Answer getAnswer()
	{
		return factA;
	}
	
	public void setQuestionText(String text)
	{
		questionText = text;
	}
	
	public String getQuestionText()
	{
		return questionText;
	}
	
	public String ask()
	{
		return questionText;
	}
	
	public void setHint(FactualQuestion q) throws Exception
	{
		if (q.getAnswer() == factHint.getAnswer())
		{
			throw new Exception();
		}
		else factHint = q;
	}
	
	public String getHint()
	{
		return factHint.ask();
	}
	

}