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package midterm2;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class midterm2task1 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		JFrame frame = new JFrame();
		frame.setSize(300, 200);
		GridLayout grid = new GridLayout(3, 4);
		frame.setLayout(grid);
		JButton b1 = new JButton("1");
		for(int i = 1; i<=12; i++) {
			JButton b = new JButton(""+i);
			int a = Integer.parseInt(b1.getLabel());
			a++;
			b.setLabel(""+a);
			frame.add(b);
		}
		frame.setVisible(true);
	}

}