Removing or Deleting an element or removing all elements from a HashTable

 

import java.util.Hashtable;

public class HashTableRemove {

public static void main(String[] args) {

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

ht.put(31, "Vidya");

ht.put(12, "Sambhavna");

ht.put(33, "Tina");

ht.put(45, "Gravit");

ht.put(51, "Anmol");

ht.put(16, "Veer");

//null value can not be added in HashTable

// ht.put(null, null);

//printing out Table

System.out.println("Original Our Table is : ");

System.out.println(ht);

//remvoing element from out Table

ht.remove(31);

System.out.println("Mapping of ht after first removal" + ht);

ht.remove(51, "Anmol");

System.out.println("Mapping of ht after Second removal" + ht);

    //removing all element from the table

ht.clear();

System.out.println("Mapping of ht after first removal" + ht);

}

}