求一java线程龟兔赛跑的实例!

Question

哪位能帮我解决下线程方面最经典的例子龟兔赛跑吗？谢谢

Answer 1

参考：http://dev.firnow.com/course/3_program/java/javaxl/2008109/149386.html
把图片放在包 t2010070702 下
[code="java"]
package t2010070702;

import java.awt.Graphics;
import java.awt.Image;

import javax.swing.JApplet;

/**

• 多线程图形版龟兔赛跑

• http://dev.firnow.com/course/3_program/java/javaxl/2008109/149386.html
  */
  @SuppressWarnings("serial")
  public class T extends JApplet implements Runnable {

  Image backpic, rabbit, tortoise;

  int x1 = 0, y1 = 0;

  int x2 = 0, y2 = 100;

  int rab_road = 0, tor_road = 0;

  int rab_time = 0, tor_time = 0;

  String str1 = "rabbit", str2 = "tortoise";

  public void init() {
  setSize(700, 200);
  backpic = getImage(getCodeBase(), "t2010070702/back.gif");
  rabbit = getImage(getCodeBase(), "t2010070702/rabbit.jpg");
  tortoise = getImage(getCodeBase(), "t2010070702/tortoise.jpg");
  }

  public void paint(Graphics g) {

  g.drawImage(backpic, 0, 0, 700, 200, this);
  g.drawImage(rabbit, x1, y1, 60, 60, this);
  g.drawString(str1, x1, y1 + 80);
  g.drawImage(tortoise, x2, y2, 60, 60, this);
  g.drawString(str2, x2, y2 + 80);
  

  }

  public void start() {
  Thread rab = new Thread(this, "rabbit");
  Thread tor = new Thread(this, "tortoise");
  rab.start();
  tor.start();
  }

  public void run() {
  boolean stop = false;
  while (!stop) {
  try {
  Thread.sleep(100);
  } catch (InterruptedException ex) {
  }
  String threadName = Thread.currentThread().getName();
  if (threadName.equals("rabbit")) {
  str1 = "rabbit";
  x1 = x1 + 30;
  rab_time++;
  rab_road += 3;
  if (rab_road % 24 == 0) {
  str1 = "兔子睡眠";
  try {
  Thread.sleep(2400);
  } catch (InterruptedException ex) {
  }
  rab_time += 24;
  }
  if (rab_road == 60) {
  stop = true;
  str1 = "兔子总用时(秒):" + rab_time;
  }
  } else if (threadName.equals("tortoise")) {
  x2 += 10;
  tor_road += 1;
  tor_time++;
  if (tor_road == 60) {
  stop = true;
  str2 = "乌龟总用时(秒 ):" + tor_time;
  }
  }
  repaint();
  }
  }
  }
  [/code]
  [img]http://p.blog.csdn.net/images/p_blog_csdn_net/java2000_net/EntryImages/20081008/back.gif[/img]
  [img]http://p.blog.csdn.net/images/p_blog_csdn_net/java2000_net/EntryImages/20081008/rabbit.jpg[/img]
  [img]http://p.blog.csdn.net/images/p_blog_csdn_net/java2000_net/EntryImages/20081008/tortoise.jpg[/img]