Remove all values from Java Hashtable example


/*
  Remove all values from Java Hashtable example
  This Java Example shows how to remove all values from Hashtable object or empty
  Hashtable or clear Hashtable using clear method.
*/

import java.util.Hashtable;

public class EmptyHashtableExample {

 
public static void main(String[] args) {
   
   
//create Hashtable object
   
Hashtable ht = new Hashtable();
   
   
//add key value pairs to Hashtable
   
ht.put("1","One");
    ht.put
("2","Two");
    ht.put
("3","Three");

   
/*
      To remove all values or clear Hashtable use
      void clear method() of Hashtable class. Remove method removes all
      key value pairs contained in Hashtable.
    */
   
   
ht.clear();
   
    System.out.println
("Total key value pairs in Hashtable are : " + ht.size());
 
}
}

/*
Output would be
Total key value pairs in Hashtable are : 0
*/