import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;

public class Primer1 extends JFrame{
	JButton gumbi[][] = new JButton[30][30];
	public Primer1() {
		setSize(300, 300);
		setLayout(new GridLayout(30, 30));
		Poslusalec pp = new Poslusalec();
		for(int i = 0; i < 30; i++) {
			for(int j = 0; j < 30; j++) {
				gumbi[i][j] = new JButton("");
				gumbi[i][j].addActionListener(pp);
				add(gumbi[i][j]);
			}
		}
		setVisible(true);
	}
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Primer1 pp = new Primer1();
	}
	class Poslusalec implements ActionListener{
		public void actionPerformed(ActionEvent e) {
			for(int i = 0; i < 30; i++) {
				for(int j = 0; j < 30; j++) {
					if(e.getSource() == gumbi[i][j]) {
						//nekaj delam
					}
				}
			}
		}
	}

}