🍃 Spring Boot — Deep Dive Notes

Personal study notes covering 40 Spring Boot topics with hands-on code examples. Built while working as a Software Engineer at Samsung SDS to strengthen core framework internals.

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📚 Topics Covered

🔧 Core Spring Boot

#	Topic
001	Introduction to Spring Boot
002	Getting Started — Project Setup
003	Maven — Dependency Management
004	General Annotations
005	Bean Lifecycle
006	Dependency Injection
007	Bean Scopes
008	Dynamically Initialized Beans
009	@ConditionalOnProperty
010	Profiles
040	@ConfigurationProperties

✂️ AOP & Async

#	Topic
011	Aspect Oriented Programming (AOP)
015	Async — Part 1
016	Async — Part 2

💾 Transactions

#	Topic
012	Transactional — Part 1
013	Transactional — Part 2 (Propagation)
014	Transactional — Part 3 (Isolation Levels)

🌐 REST & Web

#	Topic
017	Custom Interceptor
018	Filter vs Interceptor
019	HATEOAS
020	ResponseEntity & HTTP Codes
021	Exception Handling

🗄️ JPA & Database (9 Parts)

#	Topic
022	JPA — Part 1 Basic Definitions & Flows
023	JPA — Part 2 Basic Definitions & Flows
024	JPA — Part 3 First Level Caching
025	JPA — Part 4 Second Level Caching
026	JPA — Part 5 DTO Mapping
027	JPA — Part 6 One-to-One Mapping & Cascade Type
028	JPA — Part 7 One-to-Many & Many-to-Many
029	JPA — Part 8 JPQL & Derived Queries
030	JPA — Part 9 & 10 Native Query, Specification & Criteria API

📊 Monitoring

#	Topic
031	Actuator

🔐 Spring Security (7 Parts)

#	Topic
032	Common Security Attacks
033	Spring Security Architecture
034	Spring Security — Part 2 User Creation
035	Spring Security — Part 3 Form Login
036	Spring Security — Part 4 Basic Auth
037	Spring Security — Part 5 JWT
038	Spring Security — Part 6 OAuth2
039	Spring Security — Part 7 Method Security & Role-Based Auth

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🛠️ Tech Stack

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👨‍💻 About Me

Mohit Kumar — Software Engineer @ Samsung SDS
NIT Allahabad M.Tech | GATE 2020 — 98.68 percentile

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