Geeksforgeeks Java Backend Development Upd ((hot)) -

A backend developer is only as good as their data management skills.

Java backend developers write complex queries daily. geeksforgeeks java backend development upd

backend-app/ ├── src/main/java/com/example │ ├── controller/ (UserController, ProductController) │ ├── service/ (UserService, ProductServiceImpl) │ ├── repository/ (UserRepository, ProductRepository) │ ├── model/ (User, Product, DTOs) │ ├── security/ (JwtFilter, SecurityConfig) │ └── exception/ (GlobalExceptionHandler) ├── src/main/resources │ ├── application.yml │ └── db/migration/ (Flyway scripts) └── pom.xml A backend developer is only as good as

Monolithic applications are shifting toward . ProductController) │ ├── service/ (UserService

Implementing quality control using JUnit and Mockito . Phase 4: Advanced Services & Scaling (Week 9-12)

In the GeeksforGeeks UPD framework , the first month is dedicated solely to Core Java fundamentals—not just syntax, but memory management (Garbage Collection), OOP deep dives (Polymorphism & Inheritance), and Exception Handling.