How to get size of hashtable

import java.util.Hashtable;

public class HashTableKeyCount {

public static void main(String[] args) {

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

/*
* Maps the specified key to the specified
* value in this hashtable
*/
ht.put(1, “java”);
ht.put(2, “jersey”);
ht.put(3, “spring”);
ht.put(4, “c”);
ht.put(5, “php”);

//Returns the number of keys in this hashtable

System.out.println(“Hash Table sizeĀ  =”+ht.size());

}

}

Output:

Hash Table sizeĀ  =5

 

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