Mockito: Mocking, Stubbing, Verifications, Spy vs Mock
Learn Mockito fundamentals: create mocks and spies, stub behavior with when().thenReturn(), verify interactions, and choose between Spy vs Mock wisely.
Posts tagged with #learning-path
Spring Boot Actuator: Health Checks, Metrics, Info Endpoints, Custom Indicators
Monitor Spring Boot apps with Actuator: built-in health checks, metrics, info endpoints, and how to build custom health indicators.
Spring Boot Actuator Deep Dive: Custom Metrics and Health Indicators
Deep dive into Spring Boot Actuator: expose custom metrics with Micrometer, create custom HealthIndicators, and secure actuator endpoints properly.
Spring Boot Application Structure: Layout and Component Scanning
Explore Spring Boot project structure conventions, the role of @SpringBootApplication, and how component scanning discovers beans.
Spring Boot Caching: @Cacheable, @CacheEvict, and Redis
Implement Spring Boot caching with @Cacheable, @CacheEvict, and Redis: reduce database load, handle cache hits, misses, and invalidation properly.
Spring Boot Configuration Properties: @ConfigurationProperties and Relaxed Binding
Master Spring Boot external configuration with @ConfigurationProperties, relaxed binding rules, and application.yml/yml setup.
Spring Boot CORS: Cross-Origin Resource Sharing Configuration
Learn how to configure Cross-Origin Resource Sharing in Spring Boot for secure API access, including global config, annotations, and common pitfalls.
Spring Boot DAO Pattern and @Transactional: Propagation, Isolation, Read-Only
Master Spring Boot's @Transactional annotation. Learn propagation levels, isolation modes, read-only transactions, failure scenarios, and best practices.
Spring Boot DataSource: Auto-Configured, Custom, and Multiple Databases
Learn how to configure DataSource in Spring Boot: from auto-configuration and custom sources to multi-database setups for production applications.
Spring Boot Exception Handling: @ControllerAdvice, @ExceptionHandler, ErrorAttributes
Master Spring Boot exception handling with @ControllerAdvice, @ExceptionHandler, ErrorAttributes, and security best practices for production APIs.