GRID LAYOUT

import java.awt.*;
import java.applet.*;
/*
<applet code="GridLayoutDemo" width=300 height=200>
</applet>
*/
public class GridLayoutDemo extends Applet
{
static final int n = 4;

public void init() {

setLayout(new GridLayout(n, n));

setFont(new Font("SansSerif", Font.BOLD, 24));

for(int i = 0; i < n; i++)
{

for(int j = 0; j < n; j++)
{

int k = i * n + j;

if(k > 0)

add(new Button("" + k));

}
}
}
}