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import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JOptionPane;
import javax.swing.Timer;
public class MainClass {
public static void main(String[] args) {
Timer t = new Timer(1000, new Ticker());
t.start();
JOptionPane.showMessageDialog(null, "Click OK to exit program");
System.exit(0);
}
static class Ticker implements ActionListener {
private boolean tick = true;
public void actionPerformed(ActionEvent event) {
if (tick) {
System.out.println("Tick...");
} else {
System.out.println("Tock...");
}
tick = !tick;
}
}
}
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