Spring

Basic

• Introduce→
• Spring & OOP→

Spring IoC Container & DI

• Spring Container→
• Beans→
• Component Scan→
• Dependency Injection→

Spring Core

• Singleton→
• AOP (Aspect-Oriented Programming)→
• EventListener→

Spring Web

• Servlet→
• Spring Web MVC→
• DispatcherServlet→
• HandlerMapping & HandlerAdapter→
• View Resolver→
• Message Converter→
• Validation→
• Filter & Interceptor→
• Exception Handling→

DB Connection

• JDBC (Java Database Connectivity)→
• Transactional→
• JPA (Java Persistence API)→
• Persistence Context→

Spring Boot

• Spring Boot→
• Spring Boot Properties→
• Spring Boot Auto Configuration→

Testing

• Spring Boot Test Context→
• Mocking Framework - Mockito→
• Testcontainers→

Spring WebFlux & Reactive

• Reactive Programming→
• Spring WebFlux→
• Mono & Flux→
• Scheduler & Thread Model→
• Netty & EventLoop→

Spring Cloud

• Spring Cloud Connectivity (Eureka and Load Balancing Internals)→
• Spring Cloud Gateway (Reactive Pipeline and Security Strategy)→
• Spring Cloud Resilience (Resilience4j)→
• Spring Cloud Config Server→

Observability

• Observability Foundations: Signals and End-to-End Pipeline→
• Spring Logging Stack with MDC and Structured Logging→
• Distributed Tracing in Spring: Propagation and Stack→
• Spring Boot Auto-Configuration, Instrumentation and Sampling→

Additional

• SpEL (Spring Expression Language)→