public class Test extends Thread{? public static void main(String[] args){? ? Test test = new Test();? ? new Thread(test,"線程一").start();? ? int a = Thread.activeCount();? ? System.out.println(a);? }? public void run(){? ? System.out.println(Thread.currentThread().getName() + "正在運行！");? }}
activeCount方法的返回值 為什么是2 不是1呢
weibo_快樂is魏帆_0
2016-08-16 15:56:21
