import java.awt.*;
import java.awt.event.*;

class GridLayoutSample2 {
	public static void main(String[] args){
		GridLayoutSample f = new GridLayoutSample();
		f.setSize(200,200);
//		f.pack();
//		f.setTitle("Layout2");
		f.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);}});
		f.show();
	}
}


class GridLayoutSample extends Frame{
	Button b[] = new Button[10];

	GridLayoutSample(){

	for(int i = 0; i< 10;i++) {
		b[i] = new Button(Integer.toString(i));
	}


	setLayout(new GridLayout(4,3));

	for(int i = 0; i< 10;i++) {
		this.add(b[(i+1)%10]);
	}



	}
}