Thread.sleep Thread能够去掉

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Thread.sleep Thread能够去掉

如果你自己定义的类继承了Thread类，那么Thread可以去掉，如果你自己定义的类使用了Runnable接口，那么Thread不能去掉，使用时只能这样使用Thread.sleep(),Thread.currentThread()等等。

//myThreadTest.javaclass myThread extends Thread{myThread(){super();}public void run(){System.out.println(currentThread());System.out.println(currentThread().getName());try{sleep(1000);}catch(InterruptedException e){;}}}public class myThreadTest{public static void main(String[] args){myThread thread1=new myThread();myThread thread2=new myThread();thread1.start();thread2.start();}}

//myRunnable.javapublic class myRunnable implements Runnable{Thread thread1,thread2;public void run(){System.out.println(Thread.currentThread());try{Thread.sleep(1000);}catch(InterruptedException e){}}public void start(){thread1=new Thread(this);thread2=new Thread(this);thread1.start();thread2.start();}public static void main(String[] args){myRunnable my=new myRunnable();my.start();}}

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