e0373f495675001d187dee36bb048aa6

java程序设计教程的源码

/*【例9-7】  设计一个程序，先创建一个线程，每隔1秒钟在命令行窗口输出本地机器的时间；
 * 3秒钟后，该线程又被分配了实体。查看运行结果。
 */
//程序清单9-7: Example9_7.java
import java.util.Date;

public class Example9_7 {
	public static void main(String args[]) {
		TestThread7 test7 = new TestThread7();
		Thread thread = new Thread(test7);
		thread.start();
	}
}

class TestThread7 implements Runnable {
	int time = 0;

	public void run() {
		while (true) {
			System.out.println(new Date());
			time++;
			try {
				Thread.sleep(800);
			} catch (InterruptedException e) {
			}
			if (time == 3) {
				Thread thread = Thread.currentThread();
				thread = new Thread(this);
				thread.start();
			}
		}
	}
}