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Insert Item At Specified Index In AWT Choice Or Combobox Example

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  1. /*
  2.         Insert Item At Specified Index In AWT Choice Or Combobox Example
  3.         This java example shows how to insert a particular item at specified index
  4.         in a choice or a combobox control using insert method of AWT Choice class.
  5. */
  6.  
  7. import java.applet.Applet;
  8. import java.awt.Choice;
  9.  
  10. /*
  11. <applet code="InsertItemExample" width=200 height=200>
  12. </applet>
  13. */
  14.  
  15. public class InsertItemExample extends Applet{
  16.  
  17.         Choice language = null;
  18.        
  19.         public void init(){
  20.                
  21.                 //create choice or combobox
  22.                 language = new Choice();
  23.                
  24.                 //add items to the choice
  25.                 language.add("Java");
  26.                 language.add("C++");
  27.                 language.add("VB");
  28.                 language.add("Perl");
  29.                
  30.                 //add choice or combobox
  31.                 add(language);
  32.                
  33.                 /*
  34.                  * To insert an item at a specified index in a choice or combobox, use
  35.                  * void insert(String item, int index) method of AWT Choice class.
  36.                  *
  37.                  * This method behaves as below
  38.                  *
  39.                  * 1. Existing items will be shifted up by 1
  40.                  *
  41.                  * 2. If there are no items in the list, the insert item will be
  42.                  * first in the list and selected by defaulted.
  43.                  *
  44.                  * 3.If the index is grater than number of items in a choice, the item
  45.                  * will be inserted at last position.
  46.                  *
  47.                  */
  48.                
  49.                 language.insert("PHP",2);
  50.                
  51.         }
  52.  
  53. }

Example Output