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radionutton.java
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radionutton.java
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import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class radionutton
{
public static void main(String[] args)
{
JFrame frame=new JFrame();
frame.setTitle("Action demo");
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setBounds(300,200,600,500);
Container c = frame.getContentPane();
c.setLayout(null);
JRadioButton male=new JRadioButton("male");
male.setBounds(100,50,100,50);
JRadioButton female=new JRadioButton("female");
female.setBounds(250,50,100,50);
ButtonGroup sex =new ButtonGroup();
sex.add(male);
sex.add(female);
JRadioButton gen=new JRadioButton("general");
gen.setBounds(100,100,100,50);
JRadioButton obc=new JRadioButton("obc");
obc.setBounds(200,100,100,50);
JRadioButton sc=new JRadioButton("sc");
sc.setBounds(300,100,100,50);
JRadioButton st=new JRadioButton("st");
st.setBounds(400,100,100,50);
ButtonGroup cat = new ButtonGroup();
cat.add(gen);
cat.add(obc);
cat.add(st);
cat.add(sc);
/** set a radio button preselected */
male.setSelected(true);
st.setSelected(true);
/** set a radio button disabled*/
obc.setEnabled(false);
male.setEnabled(false);
/** set a size or font style of text*/
Font f = new Font("Arial",Font.BOLD,20);
female.setFont(f);
c.add(male);
c.add(female);
c.add(gen);
c.add(obc);
c.add(sc);
c.add(st);
}
}