1.实现Runnable接口,重写run类
2.启动线程:传入目标对象+Thread对象.start
因为JAVA只支持单继承所以相比于Thread 更建议使用 Runnable接口
基于多线程的抢票模拟
package 多线程基础Runable;
public class wed12306 implements Runnable {
private int n=100;
@Override
public void run() {//重写run方法
while (true) {
System.out.println(Thread.currentThread().getName()+n);
n--;
if(n<=0) {
break;
}
}
}
public static void main(String[] args) {
new Thread(new wed12306(),"小王").start();//线程启动
new Thread(new wed12306(),"小李").start();
new Thread(new wed12306(),"小美").start();
}
}
模拟龟兔赛跑
package 多线程基础Runable;
public class race implements Runnable {
private static String winner;//当winnner为非空是线程结束
@Override
public void run() {
for (int steps = 1; steps <= 100; steps++) {
System.out.println(Thread.currentThread().getName()+steps);
boolean flag =gameover(steps);
if(flag==true) {
break;
}
}
}
public boolean gameover(int steps) {
if(winner!=null) {
return true;//当有一个线程率先到达终点时,winner将会标记成true ,所以其他线程在此处不为空,也就结束了。
}else if(steps==100) {
winner=Thread.currentThread().getName();
System.out.println(winner+"率先到达终点");
return true;
}else
return false;
}
public static void main(String[] args) {
new Thread(new race(),"乌龟").start();
new Thread(new race(),"兔子").start();
}
}