WeakHashMap forEach(BiConsumer) in Java

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

Syntax:

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

This method takes one argument. 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.WeakHashMap;

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

        WeakHashMap<String, String> weakHashMap = 
                   new WeakHashMap<String, String>();

        weakHashMap.put("Java", "Program");
        weakHashMap.put("Hello", "World");

        weakHashMap.forEach((k, v) -> 
        System.out.println("Key : " + k + ", Value : " + v));

    }
}

Output:

Key : Hello, Value : World
Key : Java, Value : Program