五.创建3个显示时间的线程,分别间隔为1秒、3秒、5秒。
import java.util.Date;
/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2006</p>
* <p>Company: </p>
* @author Alex Zhu
* @version 1.0
*/
public class TimeThread extends Thread{
private boolean quit = false;
private String threadName;
private int interval = 0;
public TimeThread(String threadName,int interval) {
this.threadName = threadName;
this.interval = interval;
this.start();
}
public void run() {
while (!quit) {
try {
System.out.println(threadName+" "+new Date().toLocaleString());
Thread.sleep(interval * 1000);
}
catch (InterruptedException ex) {
}
}
}
//Thread safe quit function
public void quit(){
this.quit = true;
}
public static void main(String[] args) {
TimeThread timeThread1 = new TimeThread("Thread1 [Interval 1 sec]",1);
TimeThread timeThread3 = new TimeThread("Thread2 [Interval 3 sec]",3);
TimeThread timeThread5 = new TimeThread("Thread3 [Interval 5 sec]",5);
}
}
import java.util.Date;
/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2006</p>
* <p>Company: </p>
* @author Alex Zhu
* @version 1.0
*/
public class TimeThread extends Thread{
private boolean quit = false;
private String threadName;
private int interval = 0;
public TimeThread(String threadName,int interval) {
this.threadName = threadName;
this.interval = interval;
this.start();
}
public void run() {
while (!quit) {
try {
System.out.println(threadName+" "+new Date().toLocaleString());
Thread.sleep(interval * 1000);
}
catch (InterruptedException ex) {
}
}
}
//Thread safe quit function
public void quit(){
this.quit = true;
}
public static void main(String[] args) {
TimeThread timeThread1 = new TimeThread("Thread1 [Interval 1 sec]",1);
TimeThread timeThread3 = new TimeThread("Thread2 [Interval 3 sec]",3);
TimeThread timeThread5 = new TimeThread("Thread3 [Interval 5 sec]",5);
}
}
本文介绍了一个简单的Java程序,该程序通过创建三个不同间隔时间(1秒、3秒和5秒)的线程来周期性地显示当前时间。这些线程分别命名为Thread1[Interval1sec]、Thread2[Interval3sec]和Thread3[Interval5sec]。

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