Java.util.Dictionary.size() Method

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Description

The java.util.Dictionary.size() method returns the number of entries (distinct keys) in this dictionary.

Declaration

Following is the declaration for java.util.Dictionary.size() method

public abstract int size()

Parameters

  • NA

Return Value

This method returns the number of keys in this dictionary.

Exception

  • NA

Example

The following example shows the usage of java.util.Dictionary.size() method.

package com.tutorialspoint;

import java.util.*;

public class DictionaryDemo {

   public static void main(String[] args) {

      // Create a new hasthtable
      Dictionary d = new Hashtable();

      // Put some elements
      d.put("1", "Chocolate");
      d.put("2", "Cocoa");
      d.put("5", "Coffee");

      // print the size of the dictionary
      System.out.println("Size of dictionary:" + d.size());;
   }
}

Let us compile and run the above program, this will produce the following result:

Size of dictionary:3



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