HashMap forEach(BiConsumer) in Java

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

Syntax:

void java.util.HashMap.forEach(BiConsumer<? super K, ? super V> action)

This method performs the given action for each entry in this map until all entries have been processed or the action throws an exception.

Parameters: One parameter is required for this method.

action: The action to be performed for each entry.

Returns: NA

Exceptions: NA

Approach

Java

import java.util.HashMap;

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

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

        hashMap.forEach((k, v) -> 
                    System.out.println(k + "==" + v));

    }
}

Output:

Hello==1

World==2