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Get Started - Java & Spring Boot

· 2 min read

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Part 1: Core Java Deep Dive

  1. Java Basics Refresher – Data Types, Loops, Strings, Exception Handling
  2. Object-Oriented Programming – Inheritance, Polymorphism, Encapsulation, Abstraction
  3. Collections Framework – Lists, Sets, Maps, Queues, Advanced usage, Performance considerations
  4. Streams & Functional Programming – Streams, Lambdas, Method references, Parallel streams
  5. Concurrency & Multithreading – Thread lifecycle, Executors, Synchronization, Locks, Concurrent collections
  6. JVM Internals – Class loading, Memory model, Heap vs Stack, Garbage Collection, GC tuning
  7. Design Patterns – Singleton, Factory, Builder, Observer, Strategy, Dependency Injection patterns
  8. Advanced Java Topics – Reflection, Generics, Annotations, Serialization, I/O & NIO, Optional usage

Part 2: Spring Framework Mastery

  1. Dependency Injection – Constructor, Setter, Field Injection, @Component, @Service, @Repository distinctions
  2. Spring Bean Lifecycle & Scopes – Singleton, Prototype, Request, Session
  3. Aspect-Oriented Programming – @Aspect, @Before, @After, @Around, Real-world logging & security
  4. Spring MVC – Controllers, RequestMapping, PathVariables, REST best practices
  5. Spring Data JPA – Repositories, Transactions, JPQL, Criteria API
  6. Spring Security – Authentication, Authorization, JWT, OAuth2, Role-based access control
  7. Event-driven Spring – ApplicationEventPublisher, Async events, Messaging

Part 3: Spring Boot & Microservices

  1. Spring Boot Fundamentals – Auto-configuration, Starters, Properties, Profiles
  2. Spring Boot Actuator & Monitoring – Health, Metrics, Logging, Micrometer integration
  3. Spring Boot Testing – Unit tests, Integration tests, @MockBean, @WebMvcTest
  4. REST API Design – Exception handling, HATEOAS, versioning, pagination, performance
  5. Spring Boot Microservices – Service discovery (Eureka), REST clients (Feign, RestTemplate), Circuit breakers, Resilience4J
  6. Event-driven Microservices – Kafka/RabbitMQ integration, Async processing
  7. Security & Production Hardening – JWT, OAuth2, rate-limiting, request validation, logging