package org.hanqi.thread;public class Test1 {    public static void main(String[] args) {        //        for(int i=0;i<10;i++)//        {//            System.out.println(i);//            //            try {//                //线程的休眠方法(毫秒)//            Thread.sleep(1000);//            } catch (InterruptedException e) {//                //                e.printStackTrace();//            }//        }            TestThread1 tt1=new TestThread1();                        //启动多线程            tt1.start();                        TestThread1 tt2=new TestThread1();            tt2.start();                        //启动实现接口方式的多线程            Thread t3=new Thread(new TestThread2());                        t3.start();                        }}

package org.hanqi.thread;//支持多线程//1.继承Thread//2.覆盖run方法public class TestThread1 extends Thread {    //重写    public void run()    {        for(int i=0;i<10;i++)        {            System.out.println(i);                        try {                //线程的休眠方法(毫秒)                Thread.sleep(1000);            } catch (InterruptedException e) {                                e.printStackTrace();            }        }            }    }

package org.hanqi.thread;public class TestThread2 implements Runnable {    @Override    public void run() {                for(int i=0;i<10;i++)        {            System.out.println(i);                        try {                //线程的休眠方法(毫秒)                Thread.sleep(1000);            } catch (InterruptedException e) {                                e.printStackTrace();            }        }    }}