学习练习 java 线程

package com.hanqi.xc;

import java.util.*;

public class lianxi extends Thread

{

    public void run()

    {

        chengshi();

    }

    public void chengshi()

    {

        for(int i=1;i<=10;i++)

        {

        Random n=new Random();

        int a= n.nextInt(2);

        if(a==0)

        {

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

        }

        else

        {

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

        }

        try

        {

            Thread.sleep(1000);

        }

        catch (InterruptedException e)

        {

            e.printStackTrace();

        }

        }

    }

}

package com.hanqi.xc;

public class lianxi2 {

     public static void main(String[] args)

        {

            lianxi a1=new lianxi();

            a1.setName("线程1");

            a1.start();

            lianxi a2=new lianxi();

            a2.setName("线程2");

            a2.start();

        }

}