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

class Cell {
		// paint a cell starting at x and y
	public void paint (Graphics g, int x, int y) {
		g.setColor(Color.yellow);
		g.fillRect(x, y, CellWidth, CellHeight);
	}
	public final static int CellWidth = 10;
	public final static int CellHeight = 10;
}

class Lolo extends Cell {
	public void paint (Graphics g, int x, int y) {
		g.setColor(Color.red);
		g.fillRect(x, y, CellWidth, CellHeight);
	}
}

class LoloGame extends JFrame {
	public static void main (String [ ] args) {
		LoloGame world = new LoloGame();
		world.show();
	}

	public LoloGame () {
			// awt initialization
		setTitle("Lolo Game");
		setSize(20 + BoardWidth * Cell.CellWidth,
			40 + BoardHeight * Cell.CellHeight);
			// game specific initialization
		for (int i = 0; i < BoardWidth; i++)
			for (int j = 0; j < BoardHeight; j++)
				board[i][j] = new Cell();
		board[loloX][loloY] = lolo;
	}

	private static final int BoardWidth = 30;
	private static final int BoardHeight = 20;
	protected static Cell [ ] [ ] board = new Cell[BoardWidth][BoardHeight];
	private int loloX = 10;
	private int loloY = 10;
	private Lolo lolo = new Lolo();

	public void paint (Graphics g) {
		for (int i = 0; i < BoardWidth; i++)
			for (int j = 0; j < BoardHeight; j++)
				board[i][j].paint(g, 
					10 + Cell.CellWidth * i,
					30 + Cell.CellHeight * j);
	}
}