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What really happens behind the scenes when you call hashmap.put(), hashmap.get(), or hashmap.remove() ? I start by explaining ...

In this video, we cover DSA in Java – HashMap (Part 01) as part of the Java in One Shot series. HashMap is one of the most ...

You put a value in a HashMap. You know it's there. But when you try to get it back… it's null. This isn't a Java bug. It's an equals() ...

In this video, we explain the internal working of HashMap step by step, covering everything from hashing, buckets, collision ...

In this video, we compare List vs Set vs Map in Java and explain how they differ within the Java Collection Framework. You'll get a ...

On a vacation right now so can't do a leetcode. I mean I probably can but decided to do hash table instead. Hopefully it's ...

Why Should You Learn DSA Patterns in 2025? https://www.youtube.com/watch?v=qH2VQY48mg4 DSA Patterns Playlist: https://www ...

This video introduces the Java HashMap.

Source Code :https://github.com/guptakaran-01/DSA-Codes.

In this video, we break down two commonly misunderstood data structures and explain when to use which, using clear logic and ...

HashMap in java 27.

HashMap in Java stores data in key–value pairs for fast access In this video, learn how HashMap works and when to use it.

A high-level look at how HashMap stores data internally. Buckets, collisions, and storage and why HashMap is used instead of ...

Learn HashMap in Java! This tutorial covers everything you need to understand and use HashMap in your Java programs. Perfect ...

Why Should You Learn DSA Patterns in 2025? https://www.youtube.com/watch?v=qH2VQY48mg4 DSA Patterns Playlist: ...

Day 1/150 – Two Sum | LeetCode Interview Question In this video, we solve the Two Sum problem — one of the most frequently ...

Ever wondered how HashMap works internally in Java? In this video, we break down the complete internal architecture of ...

In this video, we learn how to find the unique element in an array of duplicate elements using HashMap. The HashMap technique ...

This lecture explains the Map interface in Java with a detailed comparison between HashMap and TreeMap. You will learn how ...