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Pgm 5 || Section B || Programto create a 4×4 grid and fills it in with 15 buttons, each 1. labeled with its index.

 import java.awt.*;

import javax.swing.*;

public class Pgm5

{

JFrame f;

Pgm5()

{

f=new JFrame();

JButton b0=new JButton("0");

JButton b1=new JButton("1");

JButton b2=new JButton("2");

JButton b3=new JButton("3");

JButton b4=new JButton("4");

JButton b5=new JButton("5");

JButton b6=new JButton("6");

JButton b7=new JButton("7");

JButton b8=new JButton("8");

JButton b9=new JButton("9");

JButton b10=new JButton("10");

JButton b11=new JButton("11");

JButton b12=new JButton("12");

JButton b13=new JButton("13");

JButton b14=new JButton("14");

JButton b15=new JButton("15");

f.add(b0);f.add(b1); f.add(b2); f.add(b3);

f.add(b4); f.add(b5); f.add(b6); f.add(b7);

f.add(b8); f.add(b9); f.add(b10); f.add(b11);

f.add(b12); f.add(b13); f.add(b14); f.add(b15);

f.setLayout(new GridLayout(4,4));

f.setSize(300,300);

f.setVisible(true);

}

public static void main(String[] args)

{

new Pgm5();

}

}

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