Java + Spring Platform

Collections, concurrency, JVM tuning, and Spring Boot DI/security/JPA for production backend roles.

Level: intermediate · Duration: 4 weeks · Focus: Java, Spring Boot, JVM, Concurrency

Articles

1. HashMap Internals
2. Java 21 Features Worth Knowing
3. Java Memory Model & Virtual Threads
4. CompletableFuture Patterns
5. G1GC & JVM Performance Tuning
6. Spring Core Dependency Injection
7. Spring Bean Lifecycle
8. Spring Data JPA and Transactions — Persistence Without Surprises
9. Spring Security OAuth2 Resource Server (JWT)
10. Spring Boot Best Practices

All study paths · Practice quizzes

Shubham Jain · Learning Lab