Java + Spring Boot Roadmap — Step-by-step Learning Path
Android and enterprise backend development using Java and Spring Boot
The Java + Spring Boot roadmap
- Internet Basics — beginner
- How the Internet Works — beginner
- DNS & Hosting — beginner
- HTTP/HTTPS & REST Basics — beginner
- Java Fundamentals — beginner
- Java Syntax & Setup — beginner
- Variables, Data Types & Operators — beginner
- Control Flow — beginner
- Methods & Parameters — beginner
- Object-Oriented Programming Basics — beginner
- Inheritance & Polymorphism — beginner
- Interfaces & Abstract Classes — beginner
- Encapsulation & Access Modifiers — beginner
- Collections Framework — beginner
- Generics — beginner
- Exception Handling — beginner
- Lambda Expressions & Functional Interfaces — beginner
- Streams API — beginner
- Developer Tools & Version Control — beginner
- Command Line Basics — beginner
- IDE Setup (IntelliJ IDEA) — beginner
- Debugging Java Applications — beginner
- Git Basics — beginner
- Branching & Merging — beginner
- Remote Repositories & GitHub — beginner
- Pull Requests & Code Review — beginner
- Git Workflows & Merge Conflicts — beginner
- Build Tools & Package Management — beginner
- Maven Fundamentals — beginner
- Gradle Fundamentals — beginner
- Dependency Management & Versioning — beginner
- Multi-Module Projects — beginner
- Object-Oriented Design & Design Patterns — intermediate
- SOLID Principles — intermediate
- Creational Patterns — intermediate
- Structural Patterns — intermediate
- Behavioral Patterns — intermediate
- The Dependency Injection Principle — intermediate
- Databases & SQL — intermediate
- Relational Database Concepts — intermediate
- SQL Fundamentals (SELECT, JOIN, GROUP BY) — intermediate
- Database Design & Normalization — intermediate
- JDBC Basics — intermediate
- Transactions & ACID Properties — intermediate
- Indexing & Query Optimization Basics — intermediate
- Spring Framework Fundamentals — intermediate
- Inversion of Control (IoC) & Dependency Injection — intermediate
- Spring Beans & the Application Context — intermediate
- Bean Scopes & Lifecycle — intermediate
- Spring Configuration Styles — intermediate
- Aspect-Oriented Programming (AOP) Basics — intermediate
- Spring Boot Fundamentals — intermediate
- Spring Boot Starters & Auto-Configuration — intermediate
- Project Structure & application.properties/yml — intermediate
- Spring Boot CLI & DevTools — intermediate
- Profiles for Different Environments — intermediate
- Externalized Configuration — intermediate
- Building REST APIs with Spring Boot — intermediate
- Spring MVC & the DispatcherServlet — intermediate
- REST Controllers & Request Mapping — intermediate
- Request/Response Bodies & DTOs — intermediate
- Path Variables, Query Params & Validation — intermediate
- Exception Handling (@ControllerAdvice) — intermediate
- API Versioning Strategies — advanced
- Mini Project: Building a CRUD REST API — intermediate
- Data Persistence with Spring Data JPA — intermediate
- JPA & Hibernate Fundamentals — intermediate
- Entity Mapping & Annotations — intermediate
- Spring Data Repositories — intermediate
- Relationships (One-to-Many, Many-to-Many) — intermediate
- Query Methods & JPQL — intermediate
- Transactions with @Transactional — advanced
- Database Migrations with Flyway/Liquibase — advanced
- Spring Security — advanced
- Spring Security Fundamentals — advanced
- Authentication vs Authorization — advanced
- Form-Based & Basic Authentication — advanced
- JWT Authentication in Spring Boot — advanced
- OAuth2 & Social Login — advanced
- Method-Level Security — advanced
- CORS & CSRF Protection — advanced
- Testing in Spring Boot — advanced
- Unit Testing with JUnit 5 — advanced
- Mocking with Mockito — advanced
- Testing Controllers with MockMvc — advanced
- Integration Testing with @SpringBootTest — advanced
- Testcontainers for Database Testing — advanced
- Test-Driven Development (TDD) Basics — advanced
- Microservices with Spring Cloud — advanced
- Microservices Architecture Principles — advanced
- Service Discovery with Eureka — advanced
- API Gateway with Spring Cloud Gateway — advanced
- Centralized Configuration with Spring Cloud Config — advanced
- Inter-Service Communication with Feign Clients — advanced
- Circuit Breakers with Resilience4j — advanced
- Distributed Tracing with Sleuth/Zipkin — advanced
- Messaging & Async Processing — advanced
- Asynchronous Methods with @Async — advanced
- Spring Application Events — advanced
- Integrating with RabbitMQ — advanced
- Integrating with Apache Kafka — advanced
- Scheduled Tasks with @Scheduled — advanced
- Caching & Performance — advanced
- Spring Cache Abstraction — advanced
- Integrating Redis for Caching — advanced
- Connection Pooling (HikariCP) — advanced
- JVM Performance Tuning Basics — advanced
- Database Query Performance in Spring Data — advanced
- Containerization & Deployment — advanced
- Dockerizing a Spring Boot App — advanced
- Docker Compose for Local Multi-Service Setup — advanced
- Deploying to Kubernetes — advanced
- CI/CD Pipelines for Spring Boot — advanced
- Cloud Deployment (AWS/Azure Basics) — advanced
- Production Best Practices & Observability — advanced
- Spring Boot Actuator — advanced
- Logging with SLF4J & Logback — advanced
- Metrics with Micrometer & Prometheus — advanced
- Health Checks & Readiness/Liveness Probes — advanced
- Error Tracking (Sentry) — advanced
- The Twelve-Factor App Principles — advanced
- Advanced & Bonus Topics — advanced
- Reactive Programming with Spring WebFlux — advanced
- GraphQL with Spring Boot — advanced
- gRPC with Spring Boot — advanced
- Kotlin with Spring Boot — advanced
- Capstone: Production-Ready Microservices Backend — advanced