package board; import wheels.users.Ellipse; import wheels.users.Frame; import wheels.users.Rectangle; public class Board extends Frame { private static final int delta = 60; private static final int marginY = 100; private static final int marginX = 200; private static final int boardSize = 5; /** Creates and starts a new Board application. */ public Board () { for (int i = 0, x = marginX; i < boardSize; i++, x += delta) { for (int j = 0, y = marginY; j < boardSize; j++, y += delta) { if ((i + j) % 2 == 0) { new Ellipse (x, y); } else { new Rectangle (x, y); } } } } public static void main (String [] arguments) { new Board (); } }