import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;

public class MyButton extends JButton {
   private int number;
   public MyButton(int i) { 
       number = i;
       setBackground(Color.WHITE);
       this.setBorder(new LineBorder(Color.WHITE, 0));
   }
   public int getNumber() { return number;}
}