Low Level Design (LLD) Coding

Low Level Design (LLD) Coding

🎮 Online Matchmaking (Real-Time Queue Handling) Concurrency Problem

🎮 Online Matchmaking (Real-Time Queue Handling) Concurrency Problem

Subhahu Jain's photo

·Jul 24, 2025·

2 min read

Table of contents

Problem
Solution Approaches
- Naive / Basic Implementation
- → First Fix – Add Locks (synchronized)
Better Approach

interview concurrency JavaScript Java

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