Minesweeper.java

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dialog;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;


public class Minesweeper implements ActionListener	
{
	int a,b;
	a = Integer.parseInt(responsex);
	b = Integer.parseInt(responsey);
	JFrame frame = new JFrame("Minesweeper");
	JButton reset = new JButton("Reset");
	JButton[][] buttons = new JButton[a][b];
	int[][] counts = new int[a][b];
	Container grid = new Container();

	public Minesweeper()
	{

		frame.setSize(600, 600);
		frame.setLayout(new BorderLayout());
		frame.add(reset,BorderLayout.NORTH);
		reset.addActionListener(this);

		grid.setLayout(new GridLayout(a,b));
		for(int x = 0; x <buttons.length; x++)
		{
			for(int y = 0; y<buttons.length; y++)
			{
				buttons[x][y] = new JButton();
				buttons[x][y].addActionListener(this);
				grid.add(buttons[x][y]);
			}
		}
		frame.add(grid,BorderLayout.CENTER);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setVisible(true);
	}

	public static void main(String[] args)	
	{
		String titlex = "Dimensions";
		String queryx = "Enter X Dimension";
		String responsex = JOptionPane.showInputDialog(null,queryx,titlex,JOptionPane.QUESTION_MESSAGE);
		String titley = "Dimensions";
		String queryy = "Enter Y Dimensions";
		String responsey = JOptionPane.showInputDialog(null,queryy,titley,JOptionPane.QUESTION_MESSAGE);
	}

	@Override
	public void actionPerformed(ActionEvent arg0) {
		// TODO Auto-generated method stub

	}
}
Exception in thread "main" java.lang.Error: Unresolved compilation problem: 

	at Minesweeper.main(Minesweeper.java:45)