1-Introduction to Spring boot | Its Advantage over Spring MVC and Servlets

2-Project Setup & Layered Architecture

3-All about Maven

4-Spring Boot – Bean and Its Lifecycle

5-Spring Boot – Controller Layer Annotations (Part-1)

6-Spring Boot – Dependency Injection (DI)

7-Spring Boot – Bean Scopes

8-Spring Boot – Dynamic Bean Initialization

9-Spring Boot – @ConditionalOnProperty

10-Spring Boot – @Profile

11-Spring Boot – @Transactional (Complete Notes)

12-Spring Boot Transaction Management – @Transactional (Part-2)

13-Spring Boot – @Transactional Part 3 (Isolation Level)

14-Spring Boot – @Async Annotation (Part 1)

15-Spring Boot @Async – Part 2

16-Spring Boot – Custom Interceptors (Clean Notes)

17-Spring Boot: Filters vs Interceptors (Notes + Extra)

18-Spring Boot – HATEOAS (Notes + Extra)

19-Spring Boot – ResponseEntity & HTTP Response Codes

20-Spring Boot – ResponseEntity & HTTP Response Codes

21-Spring Boot – Exception Handling (Deep Notes)

22-Spring Boot JPA – Part 1

23-Spring Boot JPA – Architecture (Part 2)

24-Spring Boot – JPA First Level Cache (Persistence Context)

25-JPA – Second Level Cache (L2 Cache)

26-JPA – Part 5 (DTO–TABLE)

27-One-to-One Mapping in JPA – Complete Guide with Cascade, Fetch & JSON Issues One-to-One mapping in

28-JPA One-to-One Mapping – Complete Deep Dive

29-JPA Relationship Mappings & Querying – Complete Notes

30-Native Queries, Criteria API & Specification API – Complete Guide

31-Common Web Security Attacks Every Spring Developer Must Know

32-Form Login Authentication in Spring Security – A Complete Guide

33-Basic Authentication in Spring Security – Complete Guide

34-JWT (JSON Web Token) – Complete Notes

35-JWT Authentication in Spring Boot – Full Implementation Guide

36-OAuth 2.0 – Complete Guide (High Level Design)

37-OAuth 2.0 vs OIDC – Complete Guide with Stateless Spring Boot Implementation

38-Role-Based Authorization in Spring Boot using @PreAuthorize and @PostAuthorize

39-Synchronous Communication Between Microservices in Spring Boot

40-RestClient in Spring Boot – Modern Alternative to RestTemplate