OJ Board

Hello!
I can't find what's wrong with my solution...
Can you help me?

Here's my code! Thanks :)

package com;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class RectangleOverlap extends JPanel{

int r1x1,r1x2,r2x1,r2x2 ;
int r1y1,r1y2,r2y1,r2y2 ;
int r1width ...