Java多线程

package ziboshizhangdianqu;

class A extends Thread{
	public void run(){
		for(int i=0;i<100;i++){
			System.out.println("此树是我栽");
		}
	} 
}

class B extends Thread{
	public void run(){
		for(int i=0;i<100;i++){
			System.out.println("此路是我开");
		}
	} 
}

class C extends Thread{
	public void run(){
		for(int i=0;i<100;i++){
			System.out.println("要想过此路");
		}
	} 
}

class D extends Thread{
	public void run(){
		for(int i=0;i<100;i++){
			System.out.println("留下买路财");
		}
	} 
}

public class Dxc {
	public static void main(String[] args) {
		new A().start();
		new B().start();
		new C().start();
		new D().start();
	}
}