HashMap entrySet() in Java

entrySet(): This method is available in java.util.HashMap class of Java.

Syntax:

Set<Entry<K, V>> java.util.HashMap.entrySet()

This method returns a Set view of the mappings contained in this map. The set is backed by the map, so changes to the map are reflected in the set, and vice-versa.

Parameters: NA

Returns: a set view of the mappings contained in this map.

Exceptions: NA

Approach

Java

import java.util.HashMap;

public class HashMapentrySet {
    public static void main(String[] args) {
        HashMap<String, Integer> hashMap = 
                     new HashMap<String, Integer>();

        hashMap.put("Hello", 1);
        hashMap.put("World", 2);

        System.out.println(hashMap.entrySet());

    }
}

Output:

[Hello=1, World=2]