java多线程

下面是两种方式的多线程

 

package xiancheng;

//方法一
/*public class xiancheng extends Thread {

	@Override
	public void run() {
		// TODO Auto-generated method stub
		System.out.println(this.getName());
	}
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Thread.currentThread().setName("hello");
		System.out.println(Thread.currentThread().getName());
		xiancheng thread1 = new xiancheng();
		xiancheng thread2 = new xiancheng();
		thread1.start();
		thread2.start();
		
		
		

	}

}*/

//方法二
/*
public class xiancheng implements Runnable{
	
	@Override
	public void run() {
		// TODO Auto-generated method stub
		System.out.println(Thread.currentThread().getName());
	}
	
	public static void main(String[] args) {
		xiancheng r1 = new xiancheng();
		xiancheng r2 = new xiancheng();
		xiancheng r3 = new xiancheng();
		Thread thread1 = new Thread(r1);
		Thread thread2 = new Thread(r2);
		Thread thread3 = new Thread(r3);
		thread1.start();
		thread2.start();
		thread3.start();
		
	}
	
	
	
}*/

 

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