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

public class Chessboard
{
  public static void main(String[] args)
  {
    final int N = 8;
    JFrame frame = new JFrame("Chess, Anyone?");
    frame.setSize(300,300);
    
    Container content = frame.getContentPane();    
    content.setLayout(new GridLayout(N, N));
    for (int i=0; i<N; i++)
      for (int j=0; j<N; j++)
        {
          JButton b = new JButton();
          if ((i + j) % 2 == 0)
            b.setBackground(Color.white);
          else
            b.setBackground(Color.black);
          content.add(b);
        }
    frame.setVisible(true);
  }
}