Java中Thread方法启动线程

public class ThreadTest extends Thread {  
private int count = 10;

    @Override
    public void run() {                          //重写run()方法
        while (true) {
            System.err.print(count + " ");       //打印count变量
            if (--count == 0) {                  //count自减，等于0退出循环
                return;
            }
        }
    }

    public static void main(String[] args) {
        new ThreadTest().start();
    }
}