Dictionary isEmpty() in Java

isEmpty(): This method is available in java.util.Dictionary class of Java.

Syntax:

boolean java.util.Dictionary.isEmpty()

This method tests if this dictionary maps no keys to value.

Note: The general contract for the isEmpty method is that the result is true if and only if this dictionary contains no entries.

Parameters: NA

Returns: true if this dictionary maps no keys to values; false otherwise.

Exceptions: NA

Approach

Java

import java.util.Dictionary;
import java.util.Hashtable;

public class DictionaryeisEmpty {
    public static void main(String[] args) {

        Dictionary<String, Integer> dictionary =
                           new Hashtable<String, Integer>();

        dictionary.put("Hello", 10);
        dictionary.put("Java", 4);
        dictionary.put("C++", 17);

        System.out.println(dictionary.isEmpty());

    }
}

Output:

false