Ebooks
In-depth guides and handbooks to read at your own pace.
Spring Boot & Microservices Mastery Guide
A comprehensive interview preparation e-book covering 482 carefully curated questions across 15 chapters. Covers Spring Boot fundamentals, Security 6.x, Kafka, reactive programming, Spring AI, DDD, Saga, CQRS, and more.
Spring BootMicroservicesInterview PrepBest Seller
Microservices Architecture Interview Guide
Unlock the secrets of scalable software systems. Master DDD, Bounded Contexts, CQRS, API Gateway, Circuit Breaker, Sagas with real-world scenarios in e-commerce, healthcare & fintech. Production-grade Java/Spring Boot code included.
MicroservicesArchitectureSystem Design
Java Interview Questions - Comprehensive Guide
A deep-dive companion covering how Java actually works under the hood — JVM internals, memory model, garbage collection, Collections framework, concurrency, multithreading, and modern Java features from Java 8 to Java 25 LTS.
JavaInterview PrepJVMConcurrency