java线层的使用

class Do3
{
public static void main(String[] args)
{

XC d1=new XC("小王");
XC d2=new XC("xiaoli");
d1.start();//启动线程，调用run()方法
d2.start();

System.out.println("Hello World!");
}
}
class XC extends Thread//继承线程
{
private String name;
XC(String name)
{
this.name=name;
}
public void run()//重写run()方法
{
for(int x=0;x<10;x++)
{
for(int y=-999999;y<999999;y++){}
System.out.println(name+"....="+x);
}
}
}

class Do6
{
public static void main(String[] args)
{

Yunxing yx1=new Yunxing("效力");
Yunxing yx2=new Yunxing("dddd");

Thread d1=new Thread(yx1);
Thread d2=new Thread(yx2);
d1.start();
d2.start();

}
}

class Yunxing implements Runnable//此处用接口形式的线程 ，可以继承父类
{
private String name;
Yunxing(String name)
{
this.name=name;
}
public void run()
{
for (int x=0;x<10 ;x++ )
{
for(int y=-999999;y<999999;y++)
{

}System.out.println(name+".."+x);
}

}
}