39 lines
833 B
Java
39 lines
833 B
Java
package timer;
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/**
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@version 1.02 2017-12-14
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@author Cay Horstmann
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*/
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import java.awt.*;
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import java.awt.event.*;
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import java.time.*;
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import javax.swing.*;
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public class TimerTest
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{
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public static void main(String[] args)
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{
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var listener = new TimePrinter();
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// construct a timer that calls the listener
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// once every second
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var timer = new Timer(1000, listener);
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timer.start();
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// keep program running until the user selects "OK"
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JOptionPane.showMessageDialog(null, "Quit program?");
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System.exit(0);
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}
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}
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class TimePrinter implements ActionListener
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{
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public void actionPerformed(ActionEvent event)
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{
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System.out.println("At the tone, the time is "
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+ Instant.ofEpochMilli(event.getWhen()));
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Toolkit.getDefaultToolkit().beep();
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}
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}
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