Posted inJava
Java: Applying Dependency Injection Without Overcomplicating Your Design
Dependency injection helps Java applications separate business logic from the concrete services it uses. Instead…
Posted inJava
Java: Managing Database Schema Migrations Safely
Database schemas evolve as applications add features, change relationships, and improve performance. Making these changes…
Posted inJava
Java: Choosing Between Synchronous and Asynchronous Processing
Java applications frequently perform operations that wait for external systems, such as calling APIs, querying…
Posted inJava
Java: Improving Application Configuration Without Hardcoding Values
Application configuration changes across development, testing, staging, and production. Database URLs, API endpoints, feature flags,…
Posted inJava
Java: Designing API Clients with Clear Error Handling
Applications that consume external APIs must handle more than successful responses. Networks fail, services return…
Posted inJava
Java: Practical Observability With Structured Logging
Introduction When a production application fails, developers need to understand what happened, where it happened,…
Posted inJava
Java: Using Records and Immutable Data Models Effectively
Introduction Java applications often contain classes whose primary purpose is to carry data between layers.…
Java: Writing Maintainable Integration Tests with Testcontainers
Unit tests are valuable for verifying isolated business logic, but they cannot prove that an…
Posted inJava JVM Performance
Java: Understanding Memory Leaks in Garbage-Collected Applications
Java's garbage collector automatically reclaims objects that are no longer reachable. This removes much of…
Posted inBackend Development Java Messaging
Java: Designing Resilient Message Consumers with Retries and Dead-Letter Queues
Message queues help applications process work asynchronously, but consumers must handle failures. A database may…