java线程--守护线程

public class Test {
public static void main(String[] args) throws InterruptedException {

DaemonThread daemon = new DaemonThread();
daemon.setDaemon(true);
// 先设置守护为true,在开始线程
daemon.start();
Thread.sleep(2000);
//主线程结束,守护线程跟着结束
}

static class DaemonThread extends Thread {

@Override
public void run() {

while (true) {
System.out.println("i am alive");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {

e.printStackTrace();
}
}

}

}
}