In-depth Java & Spring articles by Senior Java Developer Pavan Rangani — practical, production-grade tutorials and engineering deep-dives. 42 articles in this category.
Spring Data JDBC maps domain-driven aggregates to relational tables without lazy loading or dirty tracking. Learn aggregate roots, value objects, @MappedCollection, optimistic locking, and when JDBC b… Read more
A deep dive into Java 25 value classes: flat memory layouts, identity-free semantics, and microbenchmarks showing 3-5x speedups over records for hot domain types.… Read more
A practitioner-focused guide to shipping Spring Boot 4.1 GraalVM native images to production: AOT processing, reflection hints, Docker layering, and benchmarks from real workloads.… Read more
Complete guide to building modular monoliths with Spring Modulith including module design, event-driven patterns, and future microservices migration paths.… Read more
Complete guide to migrating Spring Boot applications to version 4 with virtual threads and structured concurrency for massive throughput improvements.… Read more
Complete guide to building RAG-powered Java applications with Spring AI, PGVector, embedding models, and production-ready retrieval patterns.… Read more
A comprehensive guide to implementing Micrometer observability in Spring Boot applications with unified metrics, distributed tracing, and production-ready dashboards.… Read more
Complete guide to configuring GraalVM native build tools with Maven and Gradle, including reflection metadata, resource handling, and CI pipeline integration.… Read more
Deep dive into Project Reactor advanced operators covering backpressure strategies, error handling patterns, concurrency control, and production debugging techniques.… Read more
Complete guide to building event-driven modular monoliths with Spring Modulith including module boundaries, async events, and eventual microservice extraction paths.… Read more
Complete guide to using Testcontainers Cloud for Spring Boot integration testing with CI/CD pipelines, parallel execution, and cloud-based test infrastructure.… Read more
Complete guide to using Java records and sealed classes for domain modeling with pattern matching, algebraic data types, and type-safe business logic.… Read more
Complete guide to Spring Boot 4 AOT compilation and GraalVM native images with production patterns, performance benchmarks, and optimization strategies.… Read more
A practical comparison of Spring Boot virtual threads and reactive programming with benchmarks, migration strategies, and production decision frameworks.… Read more
Comprehensive guide to Java 23 pattern matching including sealed hierarchies, record deconstruction, guard clauses, and data-oriented programming patterns for production applications.… Read more
Comprehensive guide to testing Spring Boot native applications with GraalVM, covering AOT test slices, reflection hints, and compilation verification.… Read more
Complete guide to Spring Boot 4.0 new features and migration from 3.x including declarative clients, structured concurrency, and virtual threads.… Read more
Complete guide to Java 24 virtual threads with structured concurrency including TaskScope patterns, scoped values, and thread pool migration.… Read more
Master Java 22 pattern matching features including sealed types, record deconstruction, guarded patterns, and exhaustive switch expressions.… Read more
Start your Spring Boot journey with this beginner-friendly guide covering project setup, REST APIs, database integration, and deployment basics.… Read more
Configure Spring Cloud Gateway with reactive routing, custom filters, rate limiting, and circuit breaking for production microservices architectures.… Read more
Master structured concurrency in Spring Boot 4 with virtual threads, scoped values, and task scope patterns for reliable concurrent applications.… Read more
Build cloud-native microservices with Micronaut using compile-time dependency injection, GraalVM native images, and sub-second startup times.… Read more
Compare Quarkus and Spring Boot for cloud-native Java applications with startup benchmarks, memory analysis, and GraalVM native image strategies.… Read more
Build modular Spring Boot applications with Spring Modulith. Learn module boundaries, event-based communication, and documentation generation.… Read more
Master integration testing with Spring Boot Testcontainers. Learn to spin up real databases, message brokers, and services in Docker for reliable tests.… Read more
Discover how the Spring AI framework is transforming enterprise Java applications worldwide, bringing intelligent capabilities to millions of developers.… Read more
Optimize Spring Boot Docker images for production with multi-stage builds, JVM tuning, and container best practices that cut image size by 70%.… Read more
Virtual threads are rewriting the rules of concurrent Java — handling millions of threads with simple blocking code. Here’s how to adopt them in production.… Read more
Practical caching strategies with Redis and Spring Boot — from @Cacheable basics to distributed cache stampede prevention in high-traffic systems.… Read more
A deep dive into patterns and practices that make Spring Boot applications resilient, maintainable, and performant in production environments.… Read more