How to repaint a jpanel every x seconds?

Question

i would like to know how to repaint and update the background of a JPanel every x seconds...This is my code:

package view;

import java.awt.Color;
import jav         


        

Answer 1

Use Swing Timer,

class GamePanel extends JPanel implements ActionListener{

 Timer timer=new Timer(1000, this);

 public GamePanel() {
   timer.start();// Start the timer here.
 }

 public void actionPerformed(ActionEvent ev){
    if(ev.getSource()==timer){
      repaint();// this will call at every 1 second
    }

}