public class Test extends Thread {
	public void run() {
		printMsg();
	}

	public void printMsg() {
		// 获得运行此代码的线程的引用
		Thread t = Thread.currentThread();
		String name = t.getName();
		System.out.println("name = " + name);
	}

	public static void main(String[] args) {
		Test t = new Test();
		t.setName("MyThread");
		System.out.println("线程状态 = " + t.isAlive());
		t.start();
		System.out.println("线程已启动...");
		System.out.println("线程状态 = " + t.isAlive());
	}
}