import java.util.Timer;
import java.util.TimerTask;
import java.awt.Toolkit;/**
* Simple demo that uses java.util.Timer to schedule a task to execute
* once 5 seconds have passed.
*/public class ReminderBeep {
Toolkit toolkit;
Timer timer; public ReminderBeep(int seconds) {
toolkit = Toolkit.getDefaultToolkit();
timer = new Timer();
timer.schedule(new RemindTask(), seconds*1000);
} class RemindTask extends TimerTask {
public void run() {
System.out.println("Time's up!");
toolkit.beep();
//timer.cancel(); //Not necessary because we call System.exit
System.exit(0); //Stops the AWT thread (and everything else)
}
} public static void main(String args[]) {
System.out.println("About to schedule task.");
new ReminderBeep(5);
System.out.println("Task scheduled.");
}
}
自己看一下吧,运行一下很容易,看一看每隔5秒会输出什么结果
import java.util.TimerTask;
import java.awt.Toolkit;/**
* Simple demo that uses java.util.Timer to schedule a task to execute
* once 5 seconds have passed.
*/public class ReminderBeep {
Toolkit toolkit;
Timer timer; public ReminderBeep(int seconds) {
toolkit = Toolkit.getDefaultToolkit();
timer = new Timer();
timer.schedule(new RemindTask(), seconds*1000);
} class RemindTask extends TimerTask {
public void run() {
System.out.println("Time's up!");
toolkit.beep();
//timer.cancel(); //Not necessary because we call System.exit
System.exit(0); //Stops the AWT thread (and everything else)
}
} public static void main(String args[]) {
System.out.println("About to schedule task.");
new ReminderBeep(5);
System.out.println("Task scheduled.");
}
}
自己看一下吧,运行一下很容易,看一看每隔5秒会输出什么结果
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