对Thread.currentThread方法，isAlive()方法的一些思考

Thread.currentThread方法

currentThread方法可返回代码段正在被哪个线程调用。例如：

public class Run {
   
    public static void main(String[] args) {
   
        System.out.println(Thread.currentThread().getName());
    }
}
控制台打印：main

然而，当该方法用在线程中时就有点迷惑人了：

public class CountOperate extends Thread{
   
    public CountOperate() {
   
        System.out.println("CountOperate --- start");
        System.out.println("Thread.currentThread.getName()=" + Thread.currentThread().getName());
        System.out.println("this.getname()=" + this.getName());
        System.out.println("CountOperate --- end");
    }

    @Override
    public