package MultiThreading_16;

/*

Runnable实现类可以共享实例变量

*/

public class RunnableTest implements Runnable {

private int i;

@Override

public void run() {

for (; i < 100; i++) {

//当线程类实现Runnable接口时,无法用this获取当前Thread,故使用Thread.currentThread()

System.out.println(Thread.currentThread().getName() + " " + i);

}

}

public static void main(String[] args) {

for (int i = 0; i < 100; i++) {

System.out.println(Thread.currentThread().getName() + " " + i);

if (i == 20) {

RunnableTest rt = new RunnableTest();

//通过new Thread(target,name)方法创建新的线程

new Thread(rt, "新线程1").start();

new Thread(rt, "新线程2").start();

new Thread((Runnable)(()->{

for (int j=0; j < 100; j++) {

//当线程类实现Runnable接口时,无法用this获取当前Thread,故使用Thread.currentThread()

System.out.println(Thread.currentThread().getName() + " " + j);

}

}),"新线程3").start();

}

}

}

}