Hashtable
Introduction#
Hashtable is a class in Java collections which implements Map interface and extends the Dictionary Class
Contains only unique elements and its synchronized
Hashtable
import java.util.*;
public class HashtableDemo {
public static void main(String args[]) {
// create and populate hash table
Hashtable<Integer, String> map = new Hashtable<Integer, String>();
map.put(101,"C Language");
map.put(102, "Domain");
map.put(104, "Databases");
System.out.println("Values before remove: "+ map);
// Remove value for key 102
map.remove(102);
System.out.println("Values after remove: "+ map);
}
}