Welcome to the Java Backend Development course! Over the next 12 weeks, you’ll go from Java fundamentals to building fully functional REST APIs using Spring Boot and databases. This hands-on course is ideal for aspiring backend developers who want to master the Java ecosystem.
- Duration: 12 weeks
- Schedule: Monday–Friday
- Format: In-person or Remote
- Methodology: Code-along, hands-on exercises, mini-projects, and final project
- Java syntax & structure
- Variables, data types, operators
- Input/output & basic control flow (if, switch, loops)
- Writing simple console apps
- Functions/methods
- Arrays & multidimensional arrays
- Introduction to Object-Oriented Programming
- Classes and objects
- Encapsulation, inheritance, polymorphism
- Constructors, static vs instance
- Method overloading/overriding
- Composition and class relationships
- Exception types and try-catch-finally
- Custom exceptions
- Java Collections: List, Set, Map
- Iterators and enhanced for loops
- FileReader, FileWriter, BufferedReader/Writer
- Reading/writing files with Java
- Serialization & deserialization
- Intro to relational databases & SQL (PostgreSQL or MySQL)
- JDBC fundamentals
- Connecting Java to a database
- CRUD operations with SQL
- What is Maven & why use it
- Setting up a Maven project
- Dependency management
- Organizing packages & modules
- Intro to Spring & Spring Boot
- RESTful APIs with Spring Boot
- Controllers, Services, Repositories
- Building simple endpoints
- Connecting Spring Boot with PostgreSQL
- Spring Data JPA & Entities
- CRUD operations using Repositories
- Application.properties & configurations
- Bean validation using annotations
- DTOs (Data Transfer Objects)
- Custom exception handlers with @ControllerAdvice
- ResponseEntity & HTTP status codes
- Password hashing (BCrypt)
- User registration/login
- JWT-based authentication
- Securing endpoints with Spring Security
- Design & build a complete REST API backend
- Connect to a real database
- Implement authentication
- Code review, testing, and documentation
- Final project demo
- Java 17+
- Spring Boot
- JUnit (testing)
- PostgreSQL or MySQL
- JDBC
- JPA / Hibernate
- Git & GitHub
- Maven
- IntelliJ IDEA or VS Code
- Postman (API testing)
- Deployment (Render or Railway)
By the end of this course, you will:
- ✅ Understand Java syntax, OOP principles, and collections
- ✅ Read/write to files and interact with databases
- ✅ Build and test RESTful APIs with Spring Boot
- ✅ Implement user authentication with JWT
- ✅ Organize, document, and deploy backend applications
- ✅ Apply industry-standard development practices
Happy coding! 🎯