Java用户线程是什么

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

    Thread thread = new Thread(new Runnable() {

        @Override

        public void run() {

            System.out.println("我是子线程");

        }

    });

    System.out.println("子线程==守护线程：" + thread.isDaemon());

    System.out.println("主线程==守护线程：" + Thread.currentThread().isDaemon());

}