import java.awt.*; 
import java.applet.*;
/*
< applet code = "Gridview" width = 300 height=200 >
< /applet>
*/
public class Gridview 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;
                add(new Button (" " +k));
            }
        }
    }
}
    
    

Output: