“Master Spring Boot in 2 weeks with this comprehensive learning planner. Explore key concepts, advanced topics, and build impactful projects to enhance your resume for Spring Boot developer roles.”
Spring Boot is one of the most powerful frameworks for building Java-based applications, widely used in enterprise environments for developing microservices, REST APIs, and scalable back-end applications. Whether you’re a beginner or looking to deepen your expertise, this 2-week planner will help you master Spring Boot, build impactful projects, and create a standout resume.
By the end of these two weeks, you will not only have hands-on experience with Spring Boot but will also be equipped to highlight your learning in interviews and on your resume with real-world projects.
Table of Contents
Week 1: Core Spring Boot Concepts & Setup
Day 1-2: Introduction and Setup
- Goals: Install Spring Boot, understand the core concepts, and set up a simple application.
- Topics to Cover:
- What is Spring Boot? Benefits and Use Cases.
- Understanding Spring Boot Starter Projects (web, data, security, etc.).
- Installation and setup using Spring Initializr.
- Creating a basic REST API with Spring Boot.
Key Concepts:
- Spring Boot Configuration: Learn how Spring Boot reduces boilerplate configuration with defaults.
- Spring Boot Starters: Understand the role of Starters in adding dependencies automatically.
References:
Project for Resume:
- Build a Hello World REST API: Create a simple Spring Boot application that exposes a RESTful endpoint. This will showcase your basic knowledge of Spring Boot’s configuration and setup.
Day 3-4: Dependency Injection & Autowiring
- Goals: Understand how Spring Boot manages beans and dependency injection (DI).
- Topics to Cover:
- What is Dependency Injection and how Spring Boot handles it.
- Autowiring annotations (
@Autowired,@Inject). - Java Configuration vs XML Configuration.
- Bean Scopes: Singleton, Prototype, Request, and Session scopes.
Key Concepts:
- Inversion of Control (IoC): Understand the principle behind IoC and how it enhances testability and modularity.
- Spring Boot’s Autowiring: Learn how
@Autowiredautomatically injects beans into your classes.
References:
Project for Resume:
- Build a Simple Service Layer with Dependency Injection: Create a service layer with multiple beans (e.g., a UserService and ProductService) that are injected into the main controller.
Day 5-6: Spring Boot Application Properties & Profiles
- Goals: Learn how to configure Spring Boot applications and manage different environments.
- Topics to Cover:
- Configuration files (
application.propertiesvsapplication.yml). - Spring Boot Profiles and their usage.
- Externalized configuration with property files.
- Using
@Valueand@ConfigurationProperties.
- Configuration files (
Key Concepts:
- Profile-based Configuration: Setting up multiple profiles for dev, test, and prod.
- Application Properties: Customizing your application with
application.propertiesorapplication.yml.
References:
Project for Resume:
- Build a Multi-environment Configured Application: Create an application where the database connection and logging level change depending on the environment (dev, prod). Utilize
@Profilefor environment-specific beans.
Day 7: Spring Boot Error Handling and Validation
- Goals: Learn to handle exceptions and validate user inputs in Spring Boot applications.
- Topics to Cover:
- Global exception handling with
@ControllerAdviceand@ExceptionHandler. - Validating inputs using
@Valid,@NotNull,@Size, etc. - Custom validation annotations.
- Global exception handling with
Key Concepts:
- Global Exception Handling: Centralized handling of exceptions across the entire application.
- Spring Validation: Adding validation to your models and ensuring input is correctly processed.
References:
Project for Resume:
- Build a User Registration and Validation Service: Create an endpoint where users can register, ensuring that input data is validated before processing (e.g., checking email format, password strength).
Week 2: Advanced Spring Boot Concepts & Microservices
Day 8-9: Spring Boot Data Access (JPA and Hibernate)
- Goals: Understand database integration and how to persist data with Spring Boot.
- Topics to Cover:
- Integrating Spring Data JPA and Hibernate.
- Creating entities and repositories.
- Using
@Entity,@Id,@GeneratedValue. - CRUD operations and query methods.
Key Concepts:
- Spring Data JPA Repositories: Automatically generate database operations using the repository pattern.
- Entity Relationships: One-to-One, One-to-Many, Many-to-Many relationships.
References:
Project for Resume:
- Build a Product Catalog with Database Integration: Create a product catalog application where you can perform CRUD operations using Spring Data JPA.
Day 10-11: Spring Boot Security
- Goals: Understand authentication and authorization mechanisms in Spring Boot.
- Topics to Cover:
- Securing Spring Boot applications with Spring Security.
- Basic authentication, JWT authentication, and OAuth2.
- Role-based access control using
@PreAuthorize,@Secured.
Key Concepts:
- Spring Security: Use it to secure your REST APIs, manage roles, and protect endpoints.
- JWT Authentication: Implement JWT-based authentication to handle stateless sessions.
References:
Project for Resume:
- Build a Secure REST API with JWT Authentication: Create a Spring Boot application that uses JWT for authentication and authorization of users, securing your API endpoints.
Day 12-13: Microservices Architecture with Spring Boot
- Goals: Learn how to structure Spring Boot applications as microservices.
- Topics to Cover:
- Introduction to Microservices and Spring Cloud.
- Service discovery with Eureka.
- API Gateway with Spring Cloud Gateway.
- Communication between microservices (REST, Feign Clients).
Key Concepts:
- Spring Cloud: Learn how Spring Cloud tools help build microservices architectures.
- Eureka & Spring Cloud Gateway: How to implement service discovery and routing.
References:
Project for Resume:
- Build a Simple Microservices System: Develop two Spring Boot microservices (e.g., a user service and an order service) and configure them to communicate through REST APIs with an API Gateway.
Day 14: Final Project & Resume Highlights
- Goals: Integrate everything you have learned into one cohesive project.
- Project to Build: Online Store System with Microservices, Security, and Database Integration.
- Combine all the concepts you’ve learned to create a comprehensive system with the following features:
- User authentication and authorization (JWT).
- Microservices architecture for product and order management.
- Database integration with Spring Data JPA.
- Secured REST API endpoints.
- Application properties for different environments.
- Combine all the concepts you’ve learned to create a comprehensive system with the following features:
References:
Resume Highlights:
- Demonstrate hands-on experience with Spring Boot and key topics like microservices, Spring Data JPA, security, and cloud architectures.
- Add key project achievements to your resume that reflect your capability to develop real-world Spring Boot applications.
Conclusion
This 2-week planner will guide you through the essential features and tools in Spring Boot, setting you up for success in both interviews and real-world development. By the end of this plan, you will not only have deep theoretical knowledge but also practical skills, which you can showcase through comprehensive projects that will make your resume stand out.