/*
Remove value from Java Hashtable example
This Java Example shows how to remove a key value pair from Hashtable object using
remove method.
*/
import java.util.Enumeration;
import java.util.Hashtable;
public class RemoveValueFromHashtableExample {
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 a key value pair from Hashtable use
Object remove(Object key) method of Hashtable class.
It returns either the value mapped with the key or null if no value
was mapped.
*/
Object obj = ht.remove("2");
System.out.println(obj + " Removed from Hashtable");
//print remaining Hashtable values
Enumeration e = ht.elements();
//iterate through Hashtable values Enumeration
while(e.hasMoreElements())
System.out.println(e.nextElement());
}
}
/*
Output would be
Two Removed from Hashtable
Three
One
*/
