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java计时代码话题已于 2025-08-08 01:46:25 更新
import java.awt.event.*;import java.io.*;import javax.swing.*;public class TimerExample extends JFrame implements ActionListener { private static final long serialVersionUID = 1L;private JLabel countDownLabel, stopWatchLabel;private JButton countDownButton, stopWatchButton, stopButton;p...
public int time=1000* 60; //60秒倒计时 public boolean running=true;//是否一直运行 JLabel label=new JLable();//显示时间的标签 //启动计时 public void startTimer(){ new java.lang.Thread(new Runnable(){ public void run(){ while(running){ try{ Thread.sleep(1000);//睡一秒 }...
import java.io.IOException;public class run_QQ { / param args throws InterruptedException throws IOException / public static void main(String[] args) throws InterruptedException, IOException { // TODO Auto-generated method stub for(int i=5;i>0;i--){ System.out.println("将在"+ i...
代码如下:public class TimeCountDown { public static void countDown(int seconds) { System.err.println("倒计时" + seconds + "秒,倒计时开始:");int i = seconds;while (i > 0) { System.err.println(i);try { Thread.sleep(1000);} catch (InterruptedException e) { // TODO Auto...
import java.awt.*;import java.applet.*;public class Clock extends Applet implements Runnable { Thread timer=null;Label label;int lastxs=50,lastys=30,lastxm=50,lastym=30,lastxh=50,lastyh=30;public void init(){ label=new Label(" ");setBackground(Color.white);add(label);} ...
import java.util.Timer;public class TimerTest { public static void main(String[] args){ Timer timer = new Timer();timer.schedule(new MyTask(), 1000, 2000);//在1秒后执行此任务,每次间隔2秒,如果传递一个Data参数,就可以在某个固定的时间执行这个任务.while(true){//这个是用来停止此...
start = new JButton("开始"); private JButton reset = new JButton("重置"); private JPanel panel = new JPanel(); private boolean isRunning; private int time; private int timeBetween; public TimerDemo(int timeBetween) { super("计时器")...
// 系统时间 long sysDate = System.currentTimeMillis();这个绝对精确,是到毫秒,自1970年1月1日0时起的毫秒数。在你那段代码最前面取一个时间,在最后取一个时间,两个一减,就是运行时间了。。
import java.awt.event.*;import java.awt.*;public class Test extends JFrame { private JButton btn = new JButton("Start");private JLabel label = new JLabel();private int time = 90;Test() { setSize(500,300);setLayout(new FlowLayout());add(btn);add(label);btn.addAction...
JLabel;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JTextField;public class Tidy extends JFrame{private static final long serialVersionUID = 1L;private static final String[] NS = { "秒表倒计时器", "时", "分", "秒", "请输入你倒计时的时间(分钟...