📌 Module 1: Introduction to Spring Framework & Core Concepts

• Understanding Spring Framework Modules (Core, Context, Beans, AOP, etc.)
• Inversion of Control (IoC) Container and Dependency Injection (DI)
• Spring Container: BeanFactory vs ApplicationContext
• Bean Configuration: XML-based, Annotation-based (@Component, @Autowired)
• Java-based Configuration (@Configuration, @Bean, @ComponentScan)
• Bean Scopes (Singleton, Prototype, Request, Session)
• Bean Lifecycle Callbacks (@PostConstruct, @PreDestroy, InitializingBean)

📌 Module 2: Advanced Dependency Injection & Spring Expression Language (SpEL)

• Constructor Injection, Setter Injection, Field Injection
• Qualifiers and Primary Beans (@Primary, @Qualifier)
• Lazy Initialization, Conditional Beans (@Conditional, @Profile)
• Spring Expression Language (SpEL) for Dynamic Configuration
• Property Sources, Environment Abstraction, and Externalized Configuration
• Working with @Value Annotation and Property Placeholders

📌 Module 3: Spring MVC - Building Web Applications

• Spring MVC Architecture (DispatcherServlet, Controllers, View Resolvers)
• Creating Controllers with @Controller, @RestController, @RequestMapping
• Handling Request Parameters, Path Variables, and Form Data
• Model, ModelMap, and ModelAndView for Data Passing
• View Technologies: JSP, Thymeleaf, and Freemarker Integration
• Form Binding, Validation, and Error Handling (@Valid, BindingResult)
• File Upload and Download in Spring MVC
• Internationalization (i18n) and Localization

📌 Module 4: Spring Security - Authentication & Authorization

• Introduction to Spring Security Architecture (Filters, SecurityContextHolder)
• Configuring In-Memory, JDBC, and LDAP Authentication
• Custom UserDetailsService for Database Authentication
• Role-Based Access Control (hasRole, hasAuthority, @PreAuthorize)
• Form-Based Login, Logout, and Remember-Me Authentication
• Method-Level Security with @Secured, @RolesAllowed, @PreAuthorize
• CSRF Protection, Password Encoding (BCrypt), and Session Management
• Integrating Spring Security with Spring MVC

📌 Module 5: Spring AOP (Aspect-Oriented Programming)

• Understanding AOP Concepts: Aspects, Join Points, Advice, Pointcuts
• Spring AOP vs AspectJ (Proxy-based AOP)
• Creating Aspects with @Aspect Annotation and XML Configuration
• Advice Types: @Before, @After, @AfterReturning, @AfterThrowing, @Around
• Pointcut Expressions (execution, within, @annotation, etc.)
• Implementing Logging, Auditing, and Performance Monitoring Aspects

📌 Module 6: Spring Data Access & Transaction Management

• Spring JDBC Template: CRUD Operations with Database
• Integrating Hibernate ORM with Spring (SessionFactory, HibernateTemplate)
• Spring Data JPA: Repositories, Entity Management, Query Methods
• Declarative Transaction Management with @Transactional
• Programmatic Transaction Management (TransactionTemplate)
• Database Connection Pooling (HikariCP, Apache DBCP)
• Exception Translation: DataAccessException Hierarchy
• Integration with MySQL, PostgreSQL, and Oracle Databases

📌 Module 7: RESTful Web Services with Spring

• Building REST APIs with @RestController and HTTP Methods
• Request/Response Handling: @RequestBody, @ResponseBody, ResponseEntity
• Content Negotiation: JSON, XML, and custom formats
• Exception Handling in REST APIs (@ControllerAdvice, @ExceptionHandler)
• API Documentation with Swagger/OpenAPI (springdoc-openapi)
• Consuming REST APIs with RestTemplate and WebClient
• CORS Configuration for Cross-Origin Requests

📌 Module 8: Spring Boot Essentials

• Introduction to Spring Boot: Auto-Configuration, Starter Dependencies
• Creating Spring Boot Applications using Spring Initializr
• Embedded Servers: Tomcat, Jetty, Undertow
• Spring Boot Actuator: Monitoring, Health Checks, Metrics
• Configuration Properties and Profiles in Spring Boot
• Building Executable JARs and Deploying Applications
• Spring Boot DevTools for Faster Development

📌 Module 9: Testing Spring Applications

• Unit Testing with JUnit 5 and Mockito
• Integration Testing with @SpringBootTest, @WebMvcTest, @DataJpaTest
• MockMVC for Testing Controllers
• TestContext Framework and Test Execution Listeners
• Using Testcontainers for Database Integration Testing

📌 Module 10: Capstone Projects