TimerTest.java Source code

Introduction

Here is the source code for TimerTest.java

Source

/*
   This program is a part of the companion code for Core Java 8th ed.
   (http://horstmann.com/corejava)
    
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
    
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
    
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/**
   @version 1.00 2000-04-13
   @author Cay Horstmann
*/

import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Date;

import javax.swing.JOptionPane;
import javax.swing.Timer;
// to resolve conflict with java.util.Timer

public class TimerTest {
    public static void main(String[] args) {
        ActionListener listener = new TimePrinter();

        // construct a timer that calls the listener
        // once every 10 seconds
        Timer t = new Timer(10000, listener);
        t.start();

        JOptionPane.showMessageDialog(null, "Quit program?");
        System.exit(0);
    }
}

class TimePrinter implements ActionListener {
    public void actionPerformed(ActionEvent event) {
        Date now = new Date();
        System.out.println("At the tone, the time is " + now);
        Toolkit.getDefaultToolkit().beep();
    }
}