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Spring Frameworks

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Spring Frameworks

Spring Frameworks

Duration
45 Hours

Course Description

            A Spring Framework course typically covers the core concepts and modules of the Spring Framework, including Dependency Injection, Aspect-Oriented Programming (AOP), and various Spring modules like Spring MVC, Spring Data, and Spring Security. The course aims to provide practical experience with hands-on coding, real-world examples, and best practices to prepare learners for enterprise Java development. 

Course Outline For Spring Frameworks

1. Introduction to Spring Framework

  • Understanding Spring: What Spring is, why it's used, and its advantages over traditional Java EE development.

Key Principles:

  • Inversion of Control (IoC): How Spring takes control of object creation and management.
  • Dependency Injection (DI): The mechanism for providing dependencies to objects, promoting loose coupling.
  • Modules of the Spring Framework: Overview of core components like Spring Core, Spring AOP, Spring MVC, Spring Data, and Spring Security.
  • Setting up the Environment: Using build tools like Maven or Gradle, and IDEs like Eclipse or IntelliJ IDEA.  

2. Spring Core

  • Spring Container (IoC Container): BeanFactory and ApplicationContext, their roles in bean management.
  • Beans: Defining, configuring, and managing Spring beans using XML, annotations, or Java-based configuration.
  • Dependency Injection in Detail: Constructor, setter, and field injection.
  • Bean Lifecycle and Scopes: Understanding the lifecycle of a Spring bean and its different scopes (singleton, prototype, request, session). 

3. Spring AOP (Aspect-Oriented Programming)

  • Concept of AOP: Separating cross-cutting concerns (logging, security, transaction management) from core business logic.
  • Aspects, Advice, Pointcuts, Join Points: Understanding the terminology and how AOP works.
  • Implementing AOP: Using XML configuration and AspectJ annotations. 

 

4. Spring MVC (Model-View-Controller)

  • Introduction to Spring MVC: Building web applications with the MVC pattern.
  • DispatcherServlet: The central component that handles incoming requests.
  • Controllers: Handling requests and preparing models and views using annotations like @Controller, @RequestMapping, @GetMapping, and @PostMapping.
  • View Resolution: Mapping logical view names to actual view technologies like JSP or Thymeleaf.
  • Form Handling and Validation: Using @ModelAttribute and validation annotations for processing user input.
  • Building RESTful APIs: Developing web services using Spring MVC and @RestController. 

5. Spring Data & Database Integration

  • Spring Data JPA: Simplifying data access with JPA repositories.
  • ORM Frameworks: Integration with frameworks like Hibernate for object-relational mapping.
  • Database Connectivity: Configuring and interacting with databases like MySQL, PostgreSQL, or H2.
  • Spring JDBC: Using JdbcTemplate for direct database access.
  • Transaction Management: Ensuring data consistency with @Transactional. 

6. Spring Boot

  • Introduction to Spring Boot: Simplifying Spring application development with auto-configuration and embedded servers.
  • Spring Boot Starters: Managing dependencies easily with pre-configured starter packages.
  • Auto-configuration: Automatically configuring application components based on dependencies.
  • Actuator: Monitoring and managing applications with built-in endpoints like health checks and metrics.
  • Externalized Configuration: Configuring application properties using files (YAML, properties files) and environment variables. 

 

7. Spring Security

  • Introduction to Spring Security: Securing Java web applications with authentication and authorization.
  • Core Concepts: Authentication, authorization, password storage, and servlet filters.
  • Authentication Mechanisms: Implementing various authentication methods (form-based, LDAP, OAuth2, JWT).
  • Authorization: Controlling access based on roles and permissions.
  • Security Configuration: Using Java-based configuration to define security rules. 

8. Microservices with Spring Cloud

  • Microservices Architecture: Understanding the principles of designing and building applications as a collection of small, independent services.
  • Spring Cloud Components: Utilizing Spring Cloud projects like Config Server, Eureka, Ribbon, Feign, and Hystrix to build and manage microservices.
  • Distributed Tracing: Monitoring and debugging microservices with tools like Zipkin.
  • Event-Driven Architecture: Building reactive and asynchronous microservices using Kafka or RabbitMQ with Spring Cloud Streams. 

9. Advanced topics and best practices

  • Testing Spring Applications: Unit, integration, and end-to-end testing with Spring's testing framework.
  • Caching: Improving performance using caching mechanisms with Spring.
  • Reactive Programming: Building reactive applications with Spring WebFlux.
  • Deployment: Deploying Spring applications to various environments, including cloud platforms like AWS or Azure.
  • Best Practices: Security best practices, error handling, performance optimization, and clean code principles. 
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