Use the following file:
CheckerBoardViewer.java
import javax.swing.*;
/**
This program displays a checkerboard.
*/
public class CheckerBoardViewer
{
public static void main(String[] args)
{
JFrame frame = new JFrame();
final int FRAME_WIDTH = 330;
final int FRAME_HEIGHT = 360;
frame.setSize(FRAME_WIDTH, FRAME_HEIGHT);
frame.setTitle("CheckerBoardViewer");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
CheckerBoardComponent component = new CheckerBoardComponent();
frame.add(component);
frame.setVisible(true);
}
}