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LeetCode 217 – Contains Duplicate (NeetCode150) Problem: Given an array, return true if it contains duplicates, else return false.

In this video, we will solve LeetCode 217 – Contains Duplicate using Java and understand how HashSet helps optimize the ...

In this video, we solve the Contains Duplicate problem (LeetCode #217), one of the popular Blind 75 DSA questions. We'll cover: ...

Contains Duplicate | LeetCode Explained In this video, we solve the Contains Duplicate problem from LeetCode. You are given ...

Struggling with LeetCode 217 Contains Duplicate? In this updated 2026 tutorial, we write an optimized O(N) Java solution using a ...

Welcome back to Coder Learning! In this video, we are solving LeetCode 217: Contains Duplicate using Java. This is a ...

LeetCode 217: Contains Duplicate | Easy Java Solution ExplainedLearn how to solve the "Contains Duplicate" problem on ...

In this video, we solve LeetCode 217: Contains Duplicate using a HashSet in Java. We'll cover: ✓ Problem explanation ...

Contains Duplicate | LeetCode 217 HashSet Approach in java . #leetcode #java #coding.

In this video, we solve a very common interview problem — Contains Duplicate — in the simplest way possible. You'll learn how ...

In this video, I explain the LeetCode problem “Contains Duplicate” using simple visuals and a clean HashSet approach in Java.

In this video, we solve LeetCode 217 – Contains Duplicate using Java. Array coding questions in java This problem is one of the ...

Problem: Contains Duplicate (LeetCode) In this video, we solve the "Contains Duplicate" problem using Java and discuss an ...

In this video, we solve LeetCode 217 – Contains Duplicate problem step by step. We cover: ✔️ Problem Understanding ...

In this video, we solve LeetCode Problem 217: Contains Duplicate, one of the most common array + hashing interview questions.

Tonight I'm tackling LeetCode 217: Contains Duplicate—a simple but foundational problem that teaches the power of ...

In this video, we solve LeetCode 217 – Contains Duplicate with a very simple explanation so even beginners and students can ...

I'm a Software Developer building my skills in public and teaching along the way. Welcome to git.sid.commit — getting better, one ...

problem link : https://leetcode.com/problems/contains-duplicate/ ************************************ java coding questions playlist ...