Java Enterprise Application Programming

1. Web Development Basics

• HTTP Concepts: Methods, headers, request/response cycle

• Servlet & JSP Basics: Even if Spring hides them, understanding the foundation is key

• Front-End Integration: HTML, CSS, JavaScript basics for back-end developers

• REST Principles: JSON/XML, REST verbs, statelessness

2. Spring Framework Skills

• Spring Core: Dependency Injection, Inversion of Control

• Spring Boot: Auto-configuration, starter dependencies, application properties

• Spring MVC: Controllers, request mapping, model attributes, form handling

• Spring Data JPA: Entities, repositories, queries

• Spring Security: Basic authentication, JWT integration, role-based access

• Spring Validation: Bean Validation API

• Spring Testing: Unit and integration tests with JUnit & Mockito

3. Database & Persistence

• SQL Fundamentals: Joins, subqueries, indexing

• JPA/Hibernate: Entity mapping, relationships, lazy vs eager loading

• Transactions: ACID, @Transactional in Spring

4. API Development & Integration

• Designing & implementing REST APIs

• Consuming external APIs

• Swagger/OpenAPI documentation

5. Development Tools & Practices

• Build Tools: Maven or Gradle

• Version Control: Git basics for collaborative projects

• Debugging Skills: Using IntelliJ/Eclipse effectively

• Logging: SLF4J, Log4j