📄️ Overview
Module Objectives
📄️ Chapter 1: Service Layer
The Service Layer in detail
📄️ Chapter 2: Validation
Data validation with Bean Validation
📄️ Chapter 3: Error Handling
Professional HTTP error handling
📄️ Chapter 4: Architecture
Professional 3-layer architecture
🗃️ Practical Work
2 items
📄️ Quiz - Module 3
Test your knowledge on the service layer, validation, and MVC architecture.