Know your next interview question.

I have seen a lot of interviewers asking for the internal working mechanism of the hashmap. If you know the complete internal working of one of the map implementations, it becomes easier for you to understand the other classes of the map interface.So thru this article, we’ll see how the hashing is done and its complete working mechanism, how the search, insert and removeoperations work with the hashmap and their time complexities, and at the end, we’ll see why it should not be used in a multi-threading environment.

What is HashMap?

How to Initialize the Constructor with Our Own Capacity and Load factor?

Frequently Used Hashmap Methods:

Let’s See an Example of Hashmap and Its Functions:

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