// This is the driver class that constructs a CustomFrame, sets some of its
// parameters, and launches it.

import java.awt.*;

public class DrawFrame {
    public static void main(String[] args) {
        Frame f = new CustomFrame();
        f.setVisible(true);
        f.setSize(500, 500);
        f.setTitle("killer app");
        f.setBackground(Color.CYAN);
    }
}