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Create AWT Radio Buttons Using CheckboxGroup Example

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  1. /*
  2.         Create AWT Radio Buttons Using CheckboxGroup Example
  3.         This java example shows how to create radio buttons using AWT CheckboxGroup
  4.         class.
  5. */
  6.  
  7. import java.applet.Applet;
  8. import java.awt.Checkbox;
  9. import java.awt.CheckboxGroup;
  10.  
  11.  
  12. /*
  13. <applet code="CreateRadioButtonsExample" width=200 height=200>
  14. </applet>
  15. */
  16.  
  17. public class CreateRadioButtonsExample extends Applet{
  18.  
  19.         public void init(){
  20.                
  21.                 /*
  22.                  * To create a checkbox group, use
  23.                  * CheckboxGroup()
  24.                  * constructor of AWT CheckboxGroup class.
  25.                  */
  26.                
  27.                 CheckboxGroup lngGrp = new CheckboxGroup();
  28.                
  29.                 //if you create checkboxes and add to group,they become radio buttons
  30.                 Checkbox java = new Checkbox("Java", lngGrp, true);
  31.                 Checkbox cpp = new Checkbox("C++", lngGrp, true);
  32.                 Checkbox vb = new Checkbox("VB", lngGrp, true);
  33.                
  34.                 //add radio buttons
  35.                 add(java);
  36.                 add(cpp);
  37.                 add(vb);
  38.         }
  39. }

Example Output