Java Records are a special class type introduced in Java 14 that automatically generates immutable data carriers with built-in methods, reducing boilerplate code while enforcing best practices for data integrity and thread safety. Java Records represent one of the most significant improvements in modern Java development, transforming how developers handle data objects. Instead of writing […]

OpenTelemetry provides a standardized framework for collecting traces, metrics, and logs from Java applications, enabling comprehensive monitoring and troubleshooting across distributed systems through vendor-neutral instrumentation. Observability in Java with OpenTelemetry has become essential for modern application development, especially in microservices architectures. As systems grow more complex, understanding what happens inside your applications becomes critical for […]

Observabilidade em Java com OpenTelemetry é uma abordagem que permite coletar métricas, traces e logs de aplicações Java de forma padronizada, facilitando o monitoramento e diagnóstico de problemas em sistemas distribuídos. Observabilidade em Java com OpenTelemetry transformou a maneira como desenvolvedores monitoram aplicações modernas. Você já se perguntou como grandes empresas conseguem identificar problemas em […]

Testcontainers revolutionizes integration testing by replacing fragile database mocks with real, lightweight containerized instances that run during test execution, ensuring accuracy and reliability. Testcontainers has emerged as a game-changer for developers tired of maintaining brittle database mocks that break with every schema change. This testing library allows teams to spin up real database instances inside […]

The N+1 query problem occurs when JPA/Hibernate executes one query to fetch parent entities and then N additional queries to load their associated collections, drastically impacting application performance and database load. Solving the N+1 query problem in JPA/Hibernate represents one of the most critical performance optimizations developers face when building data-intensive applications. This common pitfall […]

The N+1 query problem occurs when JPA/Hibernate executes one query to fetch parent entities and then N additional queries to load their associated collections, drastically impacting application performance and database load. Solving the N+1 query problem in JPA/Hibernate represents one of the most critical performance optimizations developers face when building data-intensive applications. This common pitfall […]