numberguessbean.java

正在学习java web编程

/*
 * Created on 2006-1-20
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package cn.ac.ict;

import java.util.Random;

/**
 * @author zhw
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class NumberGuessBean {
	  int answer;
	  boolean success;
	  String hint;
	  int numGuesses;

	  public NumberGuessBean() {
	    reset();
	  }

	  public void setGuess(String guess) {
	    numGuesses++;

	    int g;
	    try {
	      g = Integer.parseInt(guess);
	    }
	    catch (NumberFormatException e) {
	      g = -1;
	    }

	    if (g == answer) {
	      success = true;
	    }
	    else if (g == -1) {
	      hint = "a number next time";
	    }
	    else if (g < answer) {
	      hint = "higher";
	    }
	    else if (g > answer) {
	      hint = "lower";
	    }
	  }

	  public boolean getSuccess() {
	    return success;
	  }

	  public String getHint() {
	    return "" + hint;
	  }

	  public int getNumGuesses() {
	    return numGuesses;
	  }

	  public void reset() {
	    answer = Math.abs(new Random().nextInt() % 100) + 1;
	    success = false;
	    numGuesses = 0;
	  }

}