All posts tagged with "java"
Master the Builder design pattern with practical TypeScript, Python, and Java implementations. Learn how to construct complex objects step by step, implement fluent interfaces, and avoid the telescoping constructor anti-pattern.
Master Spring Boot performance optimization with JVM profiling, Actuator metrics, database tuning, HTTP caching, GC optimization, and startup acceleration. A complete guide to building high-performance Java applications with measurable improvements.
Go beyond unit and integration tests. Learn consumer-driven contract testing with Spring Cloud Contract, API compatibility verification, performance testing with Gatling, load testing strategies, and advanced testing patterns for production-ready Spring Boot applications.
Master the Factory Method and Abstract Factory design patterns with practical TypeScript, Python, and Java implementations. Learn when to use each pattern, how they differ, and real-world use cases in UI toolkits, cross-platform apps, and plugin systems.
Master the Singleton design pattern with practical implementations in TypeScript, Python, and Java. Learn eager vs lazy initialization, thread safety, the anti-pattern debate, testing challenges, and modern alternatives like dependency injection.
Complete guide to implementing OAuth2 social login with Google and GitHub in Spring Boot. Learn Spring Security OAuth2 Client, user registration flow, linking social accounts, and combining JWT with OAuth2.
Master the five SOLID principles of object-oriented design. Learn Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion with practical before/after examples in TypeScript, Python, and Java.
Master polymorphism and interfaces in object-oriented programming. Learn compile-time vs runtime polymorphism, method overloading and overriding, interface-based design, duck typing, and the Liskov Substitution Principle with practical examples in TypeScript, Python, and Java.
Master JPA performance optimization in Spring Boot. Learn to detect and fix N+1 query problems, optimize fetch strategies, use projections, batch operations, and write efficient JPQL and native queries.
Master API documentation in Spring Boot using SpringDoc OpenAPI. Learn to auto-generate interactive Swagger UI, document endpoints with annotations, secure your API docs, and create production-ready documentation.