java多线程（简单程序）

import java.util.concurrent.*; 
  
public class Main implements Runnable { 
    public void run() {  
        try {  
            while (true) {  
                TimeUnit.MILLISECONDS.sleep(150);  
                System.out.println(Thread.currentThread() + " " + this);  
            }  
        } catch (InterruptedException e) {  
            System.out.println("sleep() interrupted");  
        }  
    }  
  
    public static void main(String[] args) throws Exception {  
        for (int i = 0; i < 10; i++) {  
            Thread daemon = new Thread(new Main());  
            daemon.setDaemon(true); // Must call before start()  
            daemon.start();  
        }  
        System.out.println("All daemons started");  
        TimeUnit.MILLISECONDS.sleep(175);  
    }  
}