一段模拟龟兔赛跑的多线程代码
时间:2011-10-07 javaeye java2000.net
Java代码
/**
* 一段模拟龟兔赛跑的多线程程序。<br>
* 兔子比乌龟快5倍，但休息的 时间长10倍。
*
* @author 赵学庆，Java世纪网(java2000.net)
*
*/
public class T {
public static void main(String[] args) {
TortoiseRace a = new TortoiseRace();
Thread runner1 = new Thread (a);
RabbitRace b = new RabbitRace();
Thread runner2 = new Thread(b);
runner1.start();
runner2.start();
while (ready < 2) {
try {
Thread.sleep(1);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
synchronized (lock) {
lock.notifyAll();
}
}
static Object lock = new Object();
static int ready = 0;
}
class TortoiseRace implements Runnable {
public void run() {
synchronized (T.lock) {
T.ready++;
try {
T.lock.wait();
} catch (InterruptedException e1) {
e1.printStackTrace();
}
}
int TortoiseDistance = 0;
for (int i = 0; TortoiseDistance <= 1000; i++) {
TortoiseDistance++;
System.out.println("乌龟跑了1 米!");
try {
Thread.sleep(1);
} catch (InterruptedException e) {
}
}
System.out.println("乌 龟已经跑完了比赛路程!");
}
}
class RabbitRace implements Runnable {
public void run() {
T.ready++;
synchronized (T.lock) {
try {
T.lock.wait();
} catch (InterruptedException e1) {
e1.printStackTrace();
}
}
int RabbitDistance = 0;
for (int j = 0; RabbitDistance <= 1000; j++) {
RabbitDistance += 5;
System.out.println("兔子跑了5米!");
try {
Thread.sleep (10);
} catch (InterruptedException e) {
}
}
System.out.println("兔子跑完了比赛路程!");
}
}
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