» » » Remove key value pair from hashtable java example

1.Basic java example program to iterate keys of hashtable
  • Object remove(Object key)    This method used to remove value pair from hashtable
  1. package com.removevalueHashtable;
  2.  
  3. import java.util.Hashtable;

  4. import java.util.Enumeration;
  5.  
  6. public class HashtableExample{
  7.  
  8. public static void main(String[] args) {
  9.   
  10.  //create Hashtable object
  11.        Hashtable<String,String> hashtable = new Hashtable<String,String>();
  12.        
  13. //add key value pairs to Hashtable
  14. hashtable.put("1","Java Interview Questions");
  15. hashtable.put("2","Java Interview Programs");
  16. hashtable.put("3","Concept and example program");
  17. hashtable.put("4","Concept and interview Questions");
  18. hashtable.put("5","Java Quiz");
  19. hashtable.put("6","Real time examples");
  20.  
  21. Object obj = ht.remove("2");
  22. System.out.println(obj + " Removed from Hashtable");
  23.  
  24. Enumeration e=hashtable.elements();
  25.           
  26.  
  27.            
  28. // display search result
  29.  while (e.hasMoreElements()) {
  30.         System.out.println(e.nextElement());
  31. }    

  32. }
  33.  
  34. }
     



Output:

  1. Java Interview Programs Removed from Hashtable
  2. Real time examples
  3. Java Quiz
  4. Concept and interview Questions
  5. Concept and exampe program
  6. Java Interview Questions

Instance Of Java

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