Java

Master comprehensive Spring Boot testing strategies from unit tests to full integration. Learn MockMvc, @DataJpaTest, security testing & more. Build reliable apps with confidence.

Transform legacy Java apps to modular architecture with JPMS. Learn step-by-step migration using jdeps, automatic modules, and services for better security & design.

Learn Java reactive programming with streams, backpressure, and async data handling. Build responsive, scalable applications that handle load efficiently. Master Flux, Mono, and error handling patterns.

Learn 10 essential Java security techniques: input validation, secure password hashing, secrets management, SQL injection prevention, and more. Build resilient applications with practical code examples and proven defensive strategies.

Master Java testing with contract tests, Testcontainers, and property-based testing. Learn proven strategies to catch bugs early and build confidence in complex applications.

Discover 10 proven Clean Architecture techniques that transform messy Spring Boot apps into maintainable, testable systems. Learn to separate business logic from infrastructure for long-term success.

Learn essential Java build tool techniques for Maven and Gradle including dependency management, multi-module projects, profiles, and CI/CD integration. Master automated builds today.

Learn essential debugging techniques for production Java applications. Master thread dumps, heap analysis, GC logs, profiling, and JMX monitoring to quickly identify and resolve performance issues in live systems.

Build resilient Java microservices with 10 proven patterns: circuit breakers, retries, bulkheads, and more. Learn practical techniques to prevent cascading failures and create fault-tolerant systems.

Learn Java memory management best practices with JVM garbage collector tuning, heap optimization, and allocation profiling techniques for better performance and stability.

Learn 10 essential Java frameworks with practical examples. From Spring Boot's rapid development to Quarkus native compilation - choose the right tool for your project. Compare features now.

Discover Java 17+ game-changing features: sealed classes, pattern matching, records, virtual threads & more. Modern Java tools for cleaner, safer code. Start upgrading today!