deamondemo.java

java 教程相应的代码 全是自己写的内附注释 很容易看明白的

package demo.chapter09.deamon;

public class DeamonDemo {

	@SuppressWarnings("static-access")
	public static void main(String[] args) {
		Thread t1 = new Thread(new DeamonRunner(10));
		t1.setName("后台线程");
		t1.setDaemon(true);
		t1.start();
		
		Thread t2 = new Thread(new DeamonRunner(5));
		t2.setName("普通线程");
		t2.start();
		
		Thread main = Thread.currentThread();
		System.out.println("[main]当前线程:" + main.getName());
		int total = main.activeCount();
		System.out.println("[main]活动线程数:" + total);
		Thread[] threads = new Thread[total];
		main.enumerate(threads);
		for (Thread t : threads) {
			System.out.println("[main]" + t.getName() + ":" + (t.isDaemon() ? "后台" : "用户"));
		}
		
		System.out.println("[main]主线程结束");
	}

}