[英]JAVA: start timer, stop timer at 0 seconds, restart timer
私人代码位于Jbutton中,该Jbutton在鼠标单击时启动计时器。 当经过的时间等于原始时间时,底部附近的if语句不会停止计时器,但是不会。 我该如何解决? 此外,当我按下按钮时,计时器会以更快的速度加速。
import java.awt.*;
import java.util.*;
public class refractiveIndex extends javax.swing.JFrame {
public static int time = 10;
public static int elapsedTime = 0;
private void nextQActionPerformed(java.awt.event.ActionEvent evt) {
time = 10;
elapsedTime = 0;
final Timer timer = new Timer();
TimerTask task = new TimerTask()
{
public void run()
{
elapsedTime++;//amount of time passed
timeLeft.setText("" + (time - elapsedTime));//int 'time' = 0 (this is time left)
}
};
if(time - elapsedTime == 0)
{
timer.cancel();//timer stops after 5 secs
score1 = 0;//resets score
question.setText("GAME OVER");
}
timer.scheduleAtFixedRate(task, 500, 500);//.5 second delay, rate of .5 second
您可以调整自定义的TimerTask
:
TimerTask task = new TimerTask() {
public void run() {
elapsedTime++;//amount of time passed
timeLeft.setText("" + (time - elapsedTime));
if (time - elapsedTime == 0) {
cancel();
score1 = 0;//resets score
question.setText("GAME OVER");
}
}
};
另请参阅此问题 。
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