Get Started - Java & Spring Boot
· 2 min read

Part 1: Core Java Deep Dive
- Java Basics Refresher – Data Types, Loops, Strings, Exception Handling
- Object-Oriented Programming – Inheritance, Polymorphism, Encapsulation, Abstraction
- Collections Framework – Lists, Sets, Maps, Queues, Advanced usage, Performance considerations
- Streams & Functional Programming – Streams, Lambdas, Method references, Parallel streams
- Concurrency & Multithreading – Thread lifecycle, Executors, Synchronization, Locks, Concurrent collections
- JVM Internals – Class loading, Memory model, Heap vs Stack, Garbage Collection, GC tuning
- Design Patterns – Singleton, Factory, Builder, Observer, Strategy, Dependency Injection patterns
- Advanced Java Topics – Reflection, Generics, Annotations, Serialization, I/O & NIO, Optional usage
Part 2: Spring Framework Mastery
- Dependency Injection – Constructor, Setter, Field Injection, @Component, @Service, @Repository distinctions
- Spring Bean Lifecycle & Scopes – Singleton, Prototype, Request, Session
- Aspect-Oriented Programming – @Aspect, @Before, @After, @Around, Real-world logging & security
- Spring MVC – Controllers, RequestMapping, PathVariables, REST best practices
- Spring Data JPA – Repositories, Transactions, JPQL, Criteria API
- Spring Security – Authentication, Authorization, JWT, OAuth2, Role-based access control
- Event-driven Spring – ApplicationEventPublisher, Async events, Messaging
Part 3: Spring Boot & Microservices
- Spring Boot Fundamentals – Auto-configuration, Starters, Properties, Profiles
- Spring Boot Actuator & Monitoring – Health, Metrics, Logging, Micrometer integration
- Spring Boot Testing – Unit tests, Integration tests, @MockBean, @WebMvcTest
- REST API Design – Exception handling, HATEOAS, versioning, pagination, performance
- Spring Boot Microservices – Service discovery (Eureka), REST clients (Feign, RestTemplate), Circuit breakers, Resilience4J
- Event-driven Microservices – Kafka/RabbitMQ integration, Async processing
- Security & Production Hardening – JWT, OAuth2, rate-limiting, request validation, logging