1-Understanding HTTP for backend engineers, where it all starts

2-What Is Routing in Backend? How Requests Find Their Way to the Right Handler

3-Serialization and Deserialization: A Practical Guide for Backend Engineers

4-Authentication and Authorization for Backend Engineers

5-Dependency Inversion Principle (DIP) in Java with Easy Examples

6-Interface Segregation Principle (ISP) in Java Explained with Easy Examples

7-Liskov Substitution Principle (LSP) in Java Explained with Easy Examples