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

This lecture introduces the hashing technique and explains how HashSet works internally in Java. You will understand hashing, ...

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

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

In this lecture, we discuss LinkedHashMap, Hashtable, and how LinkedHashMap can be used as a cache. This video also ...

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

In this video, we deep dive into ConcurrentHashMap atomic methods in Java and explain why thread safety alone is not enough.

Java HashMap Explained from Scratch — Internals Made Easy In this video, I explain how Java HashMap works internally ...

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

If you want to become an industry-ready Java Backend Developer in 2026, this is the most complete roadmap you will ever need.

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 ...

... también sabes usar las collections en Java Así que eh vamos a usar algo que se llama hash set que eh justamente no permite ...

In this lecture, we explore TreeSet and LinkedHashSet, two important implementations of the Set interface. Learn how ordering ...

Welcome to today's lecture of the DSA with Java Complete Placement Series! In this video, we will understand HashSet in Java, ...

Understanding why Java's HashSet.contains() might return false despite an element being equal, focusing on hashCode and ...

HashMap in Java Explained in 10 Minutes | Ultimate Guide for DSA & Interviews Hey EveryOne : Learn HashMap in Java with ...

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 ...