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• Spring is MVC Based No.1 Java Based Enterprise Framework Trusted by large number of Small to Large MNC Organizations for its Stability, Scalability, Robustness, Security, Platform Independence etc features.
• Reasons for Being No. 1 Java Based Framework
• FREE
• Based on Design Patterns
• Easy Integration With Existing Application & Other Frameworks like Hibernate, JPA, Struts etc
• Inbuilt MVC
• Inbuilt Support for Transaction, Logging, Security etc
• Asked in almost all Interviews even at Fresher Level.
• Easy to Learn & Implement.
• Pre-requisite - Core Java, Servlets, JSP and SQL Basics.

📘 Course Name:

Spring Boot Framework – Java Backend Development

🎯 Course Objective:

To provide in-depth knowledge of the Spring Boot framework, enabling learners to create RESTful APIs, microservices, and full-stack Java applications with ease. The course focuses on auto-configuration, minimal boilerplate, embedded servers, and modern deployment practices.

👤 Who Should Take This Course?

• Java Developers (beginner to intermediate)
• Backend Engineers and Full-Stack Developers
• Software Engineers working with enterprise apps
• DevOps professionals (for integration with CI/CD)
• Computer science students and job seekers in Java development roles

📝 Prerequisites:

• Solid understanding of Java SE (core Java)
• Familiarity with OOP concepts
• Some experience with HTML/CSS, REST APIs, or databases is helpful but not mandatory

⏳ Course Duration: 3 months

🧩 Spring Boot Course Modules

🔹 1. Introduction to Spring Boot

• Overview of Spring ecosystem (Spring Core, MVC, JPA, Security)
• Evolution from Spring to Spring Boot
• Why use Spring Boot?
• Setting up development environment (IntelliJ, Eclipse, or VS Code)

🔹 2. Spring Boot Project Setup

• Creating projects with Spring Initializr
• Understanding application.properties / application.yml
• Auto-configuration and dependency injection
• Embedded Tomcat server

🔹 3. REST API Development

• Creating REST Controllers using @RestController
• CRUD operations (Create, Read, Update, Delete)
• Path variables, query params, and response entities
• Handling exceptions

🔹 4. Working with Databases

• Connecting to H2, MySQL, or PostgreSQL
• Spring Data JPA + Hibernate
• Entity creation, repositories, @OneToMany, @ManyToOne mappings
• Pagination and sorting

🔹 5. Spring Boot and Frontend Integration

• REST APIs for Angular/React clients
• Serving static content
• CORS configuration

🔹 6. Advanced Topics

• Custom Exception Handling (@ControllerAdvice)
• Logging with SLF4J, Logback
• Validation using @Valid, Bean Validation API
• Swagger/OpenAPI integration for API documentation

🔹 7. Spring Boot Security

• Introduction to Spring Security
• In-memory and database-backed authentication
• JWT (JSON Web Token) implementation
• Role-based access control

🔹 8. Spring Boot Testing

• Unit testing with JUnit 5 and Mockito
• Integration testing
• Test REST APIs using MockMvc and Postman

🔹 9. Microservices with Spring Boot

• Microservices architecture basics
• Creating multiple services with Eureka, Spring Cloud Config
• REST communication with Feign Client / RestTemplate
• Load balancing with Ribbon
• Circuit breaker with Resilience4j or Hystrix

🔹 10. DevOps Integration

• Building with Maven/Gradle
• Packaging with Docker
• CI/CD using Jenkins, GitHub Actions, or GitLab CI
• Deploying to AWS / Heroku / Azure

🛠️ Tools & Technologies Used

• Java 17 or 21 (LTS versions)
• Spring Boot 3.x
• Spring Data JPA
• Spring Security
• Maven / Gradle
• Docker
• Swagger / OpenAPI
• Git & GitHub
• MySQL / PostgreSQL / MongoDB
• IntelliJ / Eclipse / VS Code