CheckboxGroup in Advance Java Programming with Source Code

  * CheckboxGroup*

1) CheckboxGroup is a java.awt class which is used to create mutually 

     exclusive Checkbox.(RadioButton)

 

2) For Example:-

  Select Your Gender:-   O Male

                                      O Female

                                      O other  

3) To create this,we use Checkbox class in which CheckboxGroup is a

     specified as a parameter.

*Methods:-

(1)getSelectedCheckbox() 

      Syntax:-[Checkbox getSelectedCheckbox()]

-Return the object of currently selected Checkbox. 

(2)setSelectedCheckbox() 

      Syntax:-[void setSelectedCheckbox(Checkbox which)]

-It select Checkbox through program control whose object is specified 

  as a parameter.

*Program:-

import java.awt.*;

class CheckDemo extends Frame

{

Label l1;

Checkbox c1,c2,c3;

CheckboxGroup cbGroup;

CheckDemo()

{

setVisible(true);

setSize(400,300);

setTitle("Radio Button");

setLayout(new FlowLayout());

l1=new Label("Select Your Gender :-");

cbGroup=new CheckboxGroup();

c1=new Checkbox("Male",false,cbGroup);

c2=new Checkbox("Female",false,cbGroup);

c3=new Checkbox("Other",false,cbGroup);

add(l1);

add(c1);

add(c2);

add(c3);

}

public static void main(String args[])

{

new CheckDemo();

}

}    

                                                                    

 

 Tejas  Nalawade