public class Test implements Runnable {
	private String name;

	public Test(String name) {
		this.name = name;
	}

	public void run() {
		for (int i = 0; i < 100; i++) {
			System.out.println("线程开始：" + this.name + ",i=" + i);
			try {
				Thread.sleep((long) (Math.random() * 600)); // 睡眠时间随机
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}

	public static void main(String[] args) {
		Test t1 = new Test("线程1");
		Test t2 = new Test("线程2");
		Test t3 = new Test("线程3");

		// 实现Runnable接口的子类不像继承Thread类的子类那样有start()方法，可以通过Thread类来启动Runnable线程
		new Thread(t1).start();
		new Thread(t2).start();
		new Thread(t3).start();

	}
}