Low Level Design (LLD) Coding

WhatsAppYouTube
Buy Course

Low Level Design (LLD) Coding

🏦 Bank Transaction Concurrency Problem

🏦 Bank Transaction Concurrency Problem

Subhahu Jain's photo
Subhahu Jain
Β·Jul 8, 2025Β·

2 min read

Table of contents

  • Problem Statement
  • πŸ’‘ Solution Approaches
    • 1. Basic Thread-Safe Account (Synchronized Methods)
    • Key Mechanics
    • Case 1: Simple Deposit-Withdraw (No Conflict)
    • Case 2: Concurrent Deposits (Lost Update Problem Prevented)
    • Case 3: Overdraft Prevention
  • Where It Fails (Edge Cases)
    • Problem 1: Nested Operations Deadlock
    • Problem 2: Liveness Issues (Performance)
    • Problem 3: Compound Actions Not Atomic
JavaScriptJavainterviewconcurrency

Β©2025 Low Level Design (LLD) Coding

Publish with Hashnode

Powered by Hashnode - Home for tech writers and readers