Java Basic(66)-JradioButton

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class Gui extends JFrame{

private JTextField tf;

private Font pf;

private Font bf;

private Font itf;

private Font bif;

private JRadioButton pb;

private JRadioButton bb;

private JRadioButton ib;

private JRadioButton bib;

private ButtonGroup group;

public Gui(){

super("the title");

setLayout(new FlowLayout());

tf = new JTextField("Bucky is awesome", 25);

add(tf);

pb = new JRadioButton("plain", true);

bb = new JRadioButton("bold", false);

ib = new JRadioButton("italic", false);

bib = new JRadioButton("bold and italic", false);

add(pb);

add(bb);

add(ib);

add(bib);

group = new ButtonGroup();

group.add(pb);

group.add(bb);

group.add(ib);

group.add(bib);

pf = new Font("Serif", Font.PLAIN, 14);

bf = new Font("Serif", Font.BOLD, 14);

itf = new Font("Serif", Font.ITALIC, 14);

bif = new Font("Serif", Font.BOLD + Font.ITALIC, 14);

}

}