A senior-level breakdown of how @Transactional really works: AOP proxy mechanics, CGLIB vs JDK proxy, ThreadLocal transaction binding, flush/commit timing, propagation internals, isolation levels, and the production traps that cause silent data corruption, connection pool exhaustion, and 2 AM alerts.
A detailed collection of real interview questions and answers from an Accenture Java Developer interview. Ideal for candidates with 3+ years of experience, covering Core Java, Spring Boot, Hibernate, and Microservices.
Detailed guide and senior deep dive into JPA/Hibernate best practices for @ManyToOne and @OneToMany mappings based on Thorben Janssen's tutorial.
Comprehensive Java and Spring interview set spanning core Java, collections, Hibernate, and Spring.
A comprehensive guide to JPA and Hibernate persistence methods — entity lifecycle states, persist vs save vs merge vs update, primary key strategies, performance implications, and production deep dives for senior engineers.
A deep dive into @Transactional — how AOP proxy, ThreadLocal connection binding, propagation traps, async pitfalls, and rollback rules work under the hood in Spring Boot.
Curated senior-level Spring Data JPA and Hibernate interview questions with deep architectural explanations and performance gotchas.
A complete guide to custom JPQL, Native SQL, SpEL, projections, and senior-level internals — persistence context mechanics, N+1 prevention, memory optimization, and connection pool management.
