How is the HashMap merge method used in Java?

HashMap merge (key, value, BiFunction) method in Java with Examples Last Updated : 11 Oct, 2019 The merge (Key, Value, BiFunctional) method of HashMap class is used to combine multiple mapped values for a key using the given mapping function. Bucket is actually an index of array, that array is called table in HashMap implementation.
For More Information Please Refer:


You May Also Like to Read: