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Java Hashmap: How to get key from value? I hope you found a solution that worked for you :) The Content is licensed under ...

Are you confused about ConcurrentHashMap and CopyOnWriteArrayList in Java? In this video, we break down these two ...

In this video, I have talked if i had to start coding from scratch in 2026, what i would do? How i would learn DSA ...

Java Maps Explained | HashMap vs LinkedHashMap vs TreeMap (With Real Examples)** In this video I break down one of the ...

In this video, you'll learn Hash Table in Java from scratch in a simple and beginner-friendly way. We'll explain what a hash table is ...

Solved with the help of HashMaps, the java implementation can be improved/cleaned.

In this video, we solve Permutation in String (LeetCode 567) using the powerful Sliding Window Pattern with HashMap ...

Natural Sorting of Map for Custom Class Object: Sorting of Map can be done based on Keys and Values 1. Prior to Java8 (Without ...

Custom Sorting of Map for Custom Class Object: Sorting of Map can be done based on Keys and Values 1. Prior to Java8 (Without ...

LeetCode 3721 – Longest Balanced Subarray II (Java) | Hard In this video, I solve LeetCode Daily Question 3721 using Java.

자바 개발자라면 반드시 알아야 할 equals & hashCode 완벽 정리 영상 설명 자바 개발자라면 누구나 한 번쯤 고민해 봤을 equals와 ...

In this video, we solve the famous Two Sum problem, one of the most frequently asked coding interview questions. Problem ...

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

Today Leetcode Daily Practice:- Leetcode 3719. Longest Balanced Subarray I Struggling with LeetCode 3719? In this detailed ...

Data Structures & Algorithms (DSA) – From Basics to Advanced Welcome to this Data Structures and Algorithms course designed ...

Code https://github.com/develckm86/smu8_java_20260105.git Optional and null handling https://docs.google.com/document/d/1 ...

In this video, I explain the Two Sum problem step by step. Topics covered: - Problem understanding - Brute force approach ...

One of the most confusing yet most important concepts in Java is String immutability. In this video, I explain why String is ...

Master the "Two Sum" problem (LeetCode 1) – the most famous coding interview question of all time!In this video, we kick off the ...