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Count Down Timer

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jodders

Programmer
Nov 12, 2003
13
GB
Im trying to display a count down timer and i dont know how to display the time left after every second. For example,if a user types in 5, i want to display the time going 5 ,4 ,3 ,2,1

I think im close,but i need some help.The code below almost works.


Code:
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Timer;
import javax.swing.JFrame;

public class Temp extends JFrame implements ActionListener{	
/**	 * @param countdown number of milliseconds	 */	

public Temp(int countdown) {		
super();		
setVisible(true);		
Timer timer = new Timer(countdown, this);		
timer.start();	
}	


public void actionPerformed(ActionEvent e) 
{		
System.out.println("done");	

}	

public static void main(String args[]) {		
Temp t = new Temp(5000);	
}

}
 
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Timer;
import javax.swing.JFrame;

public class Temp extends JFrame implements ActionListener{
/** * @param countdown number of milliseconds */
int second;
Timer timer;
public Temp(int countdown,int input) {
super();
setVisible(true);
if (input==0) second=5;
else
second = input;
timer = new Timer(countdown, this);
timer.start();
}


public void actionPerformed(ActionEvent e)
{
System.out.println(second);
second--;
if (second==0)
{
System.out.println("Stop!!!");
timer.stop();
//System.exit(0);
}
}

public static void main(String args[])
{
Temp t;

if (args.length==0)
t = new Temp(1000,5);
else
t = new Temp(1000,Integer.parseInt(args[0]));
}

}
 
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