Walmart Interview Questions 2025 | Core Java Spring Boot System Design | Senior Java Developer Prep

Published: 06 September 2025
on channel: Code View And Talk

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🚀 Walmart Interview Questions – Core Java & Spring Boot | Advanced Java Interview Prep 🧠

Are you preparing for a Walmart tech interview or aiming for a top product-based company? In this video, I’ve covered 10 high-level Core Java and 10 advanced Spring Boot interview questions that are frequently asked in Walmart and similar companies.

🔍 Topics covered include:
✅ ConcurrentHashMap scalability & optimization
✅ Java Memory Model (JMM) and multithreading
✅ Garbage Collectors: CMS vs G1GC vs ZGC
✅ ForkJoinPool vs Virtual Threads (Project Loom)
✅ Custom classloader for hot-reloading
✅ Spring Boot auto-configuration internals
✅ OAuth2 + JWT security with key rotation
✅ Reactive programming vs traditional MVC
✅ Distributed caching with Redis Cluster
✅ Feature toggles in microservices

Whether you're targeting backend engineer, Java developer, or Spring Boot microservices roles, this video will help you understand real-world interview questions, system design trade-offs, and performance tuning strategies.

📌 Don’t forget to like, share, and subscribe for more interview prep content and deep dives into system design & Java architecture!

#WalmartInterview #JavaInterviewQuestions #SpringBoot #SystemDesign #JavaDeveloper #Microservices #ProjectLoom #WebFlux #JVMPerformance #RedisCaching #JavaConcurrency

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