Java – Remove elements in Hashtable

 hashtable.remove(object);

import java.util.Enumeration;
import java.util.Hashtable;

public class HashTableRemoveExample {

    public static void main(String[] args) {

        Hashtable<Integer,String> hTable=new Hashtable<Integer,String>();

        hTable.put(new Integer(2), "Two");
        hTable.put(new Integer(1), "One");
        hTable.put(new Integer(4), "Four");
        hTable.put(new Integer(3), "Three");
        hTable.put(new Integer(5), "Five");

        // remove hashtable object with key
        hTable.remove(new Integer(4));

        Enumeration em=hTable.keys();

        while(em.hasMoreElements())
        {
            int key = (Integer)em.nextElement();

            String value=(String)hTable.get(key);

            System.out.println("Key :"+key+"  value :"+value);
        }
    }
}