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Arrays and HashMaps are some of the most important topics in coding interviews — and once you understand them, many ...

In this video, I explain how Java HashSet works internally and why it is built on top of HashMap. You will learn: • What a HashSet ...

Welcome to Code with Bharadwaj Code with Bharadwaj is a high-impact programming channel built for those who want to master ...

Ever wondered how HashMap works internally in Java? In this video, we explain HashMap using a simple real-life analogy: How ...

Most developers List use karte hain, lekin HashSet zyada fast aur powerful hota hai Is short me maine explain kiya: ✓ HashSet ...

In this video, I solve the "Isomorphic Strings" LeetCode problem using Java. Problem link: ...

Understanding why String is immutable in Java is one of the most frequently asked Java interview questions — and one that many ...

Erfahren Sie, wie Sie SHA-256-Hashes von Kontonummern in Java in eindeutige 64/32-Bit-Ganzzahlen umwandeln, um ...

Learn how to efficiently solve the 'Subarray with Zero Sum' problem using the Prefix Sum and Hashing technique! In this video ...

DSA Roadmap 2026 Zero to Placement | Complete Step-by-Step Guide If you are an MCA, BCA, or Engineering student and ...

Welcome to Lecture 29 of the DSA Series in Telugu! 💻🔥 In this video, we’ll solve one of the most interesting Sliding Window + ...

Welcome to Code with Bharadwaj Code with Bharadwaj is a high-impact programming channel built for those who want to master ...

In this video, we solve LeetCode 3805 – Count Caesar Cipher Pairs from Weekly Contest 484. Code: https://leetcode.com ...

Learn how to Design a HashSet from scratch! In this video, we explore the internal implementation of the HashSet data ...

Trie (also called Prefix Tree) is a powerful data structure widely used in search engines, autocomplete, spell checkers, and coding ...

Solving LeetCode 3454: Separate Squares II. This hard problem is a classic computational geometry + sweep line + segment tree ...

Count Caesar Cipher Pairs | LeetCode 3805 | Weekly Contest 484 Connect with me: ...

Learn how to design a HashMap (Hash Table) from scratch! In this video, we break down one of the most common coding ...

Telegram Channel : https://t.me/ctobhaiya_tg Instagram: https://www.instagram.com/ctobhaiya Linkedin: ...

Solving LeetCode 2943: Maximize Area of Square Hole in Grid. This medium problem is all about spotting a pattern in ...

DAY 30 — I kept switching DSA languages. That wasn't the problem. I started with C++ → got confused. Switched to Java → same ...

Title - RGPV 1st and 3rd Semester Final Exam Date | RGPV Exam 2026 | @Growwithfarooque This video is all about RGPV Exam ...

Programming courses: https://clck.ru/3QVRea Interview practice: https://clck.ru/3QVRgd This video describes an in-depth ...

Welcome to *Day 11* of the *75 Hard DSA* Challenge In this video, I solve and explain LeetCode 76 – *Minimum Window ...

In this video, we answer a very important question in Python: Why can Python data structures like lists, tuples, sets, and ...