Java守护线程

public class ThreadTest {
    public static void main(String[] args) throws InterruptedException {
 
        T t = new T();
        Thread thread = new Thread(t);
 
        // 设置为守护线程，这样，主线程结束后，守护线程也就结束了
        thread.setDaemon(true);
 
        // 开启线程，先设置，后开启
        thread.start();
 
        for (int i = 0; i < 5; i++) {
            System.out.println("主线程的吃东西...." + i);
            Thread.sleep(1000);
        }
    }
}
 
class T implements Runnable {
    @Override
    public void run() {
        // 死循环，如果不设置为守护线程，该循环不会停下
        for (; ; ) {
            System.out.println("子线程的吃东西....");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}