import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Minesweeper extends JPanel {
	public static void main(String[] args) {
		Minesweeper m = new Minesweeper();
		JFrame frame = new JFrame("My Minesweeper");
		frame.add(m);
		frame.setSize(400, 400);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setVisible(true);
	}

	JButton Felder[][];

	public Minesweeper() {
		this.setSize(400, 400);
		this.setLayout(new GridLayout(10, 10));
		Felder = new JButton[10][100];
		buildButtons();
	}

	private void buildButtons() {
		for (int i = 0; i < 10; i++) {
			for (int j = 0; j < 10; j++) {
				Felder[i][j] = new JButton();
				Felder[i][j].setSize(400, 400);
				this.add(Felder[i][j]);
			}
		}
	}
}