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77 results
Choosing the wrong Map in Java can silently kill performance or break your multithreaded code ⚠️ In this video, we deep-dive ...
4 views
6 days ago
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 ...
0 views
5 days ago
n this video, we will deeply understand the Java Collection Framework Hierarchy in a very simple and beginner-friendly way.
23 views
1 day ago
Built LeetCode 706 Design HashMap NO built-in Library! put/get/remove method Core: Buckets (lists) + hash % prime. Collisions?
Why Java CRASHES on Purpose | ConcurrentModification Explained.
17 views
4 days ago
18 views
3 days ago
Arrays and HashMaps are some of the most important topics in coding interviews — and once you understand them, many ...
12 views
Array Data Structure Complete Tutorial with Animation & Coding Examples ...
6 views
Day 4 of 100 Days of Code – Solving Ransom Note Using HashMap in Java In this video, we solve the famous LeetCode 383 ...
3 views
00:00 - Step-by-Step Explanation Java Code ...
2 days ago
क्लास कास्ट एक्सेप्शन ठीक है अ क्लास java डॉट lang डॉट इंटीजर कैन नॉट बी ...
66 views
Learn how to solve the "Subarray Sum Equals K" problem (LeetCode 560) using the optimized Prefix Sum and HashMap ...
In this video, we solve the problem “Substrings with K Distinct” using an efficient Sliding Window technique. You are given a ...
79 views
In this latest installment, I cover the Collections Framework. This framework is basically how Java deals with data structures.
8 views
Complete Java Collections Framework in 1 Video - Java Collections Framework | DSA in Java Full Course | Master Data ...
119 views
In this video, I solve the "Isomorphic Strings" LeetCode problem using Java. Problem link: ...
111 views
In this video, we solve the problem “Subarrays With At Most K Distinct Integers” using an efficient Sliding Window technique ...
LeetCode 49 Group Anagrams! Group strings with the same chars & freqs. Pro Tip: Sorted chars = anagram key! "eat","tea" both ...
7 days ago
Two Sum Problem Explained | Java | DSA | LeetCode | From Naive to Optimized | Step by Step In this video, I solve and explain ...
5 views
This video gives a summary of common Java data structures such as the ArrayList, HashSet, and HashMap. It also gives a ...
