Gyan Darpan

3. Setting Up Your Spring Boot Development Environment

Java Configuration in Spring Boot (@Configuration & @Bean) – Part 23

133. Introduction to Spring Data JPA​

Configure Log4j2 in Spring Boot 3 Using YAML (Step-by-Step) – Part 57

REST API Testing with Postman (Requests, Headers & Responses) – Part 28

Configure Spring Boot with application.yml (Step-by-Step Guide) – Part 66

Creating a REST Controller in Spring Boot (@RestController) – Part 5

DELETE Method in Spring Boot REST API (Delete Resource Step-by-Step) – Part 36

Passing Query Parameters in RestTemplate (GET Request) – Part 44

Global Exception Handling in Spring Boot REST API (@ControllerAdvice) – Part 38

Using @Lazy Annotation in Spring Boot (Lazy Bean Initialization) – Part 20

145 Spring Boot JPA Sorting | Order By Single & Multiple Columns and Dynamically​

125. How to Use EntityManager to Update Data in Spring Boot​

114. Why @PersistenceContext is Recommended for EntityManager​

138.How to Sort Data by Field in Spring Boot JPA​

Handling JSON Response in Spring Boot GET API (Object to JSON) – Part 30

Configure Context Path & Port in Spring Boot REST API – Part 42

Query Parameters in Spring Boot REST API (@RequestParam Explained) – Part 32

137. Get All Records from Database using Spring Data JPA​

Spring Boot Development Environment Setup (Java, Maven, Tools) – Part 3

Mapped Diagnostic Context (MDC) in Spring Boot – Part 59

Load Custom YAML Files in Spring Boot (Step-by-Step Guide) – Part 73

Component Scanning in Spring Boot Explained – Part 11

132. Using EntityManager to Execute CustomSQL in Spring Boot​

Spring Boot JPA One-to-One Mapping (Unidirectional) - Part 164

139. Pagination in Spring Boot JPA

Spring Boot Multi-Module Project Setup (Step-by-Step) – Part 79

Path Variables in Spring Boot REST API (@PathVariable Explained) – Part 31

Spring Boot Stereotype Annotations Explained (@Component, @Service, @Controller) – Part 13

Dynamic API Calls with WebClient in Spring Boot (Reactive REST Client) – Part 50

EntityManager.refresh() Explained (Sync Entity with DB) – Part 127

Uploading Files with RestTemplate & WebClient in Spring Boot – Part 54

Setter Injection in Spring Boot (How & Why It Works) – Part 14

RESTful Web Services Explained for Beginners (Spring Boot Basics) – Part 25

JdbcTemplate UPDATE & Transaction Management in Spring Boot – Part 91

JPA Optimistic Locking Explained – Part 125

DispatcherServlet in Spring Boot Explained (Request Flow Internals) – Part 56

Spring Boot DataSource Explained (Connection Pooling & Configuration) – Part 85

Spring AOP vs AspectJ Explained – Part 167

EntityManager.clear() Explained (Persistence Context Reset) – Part 128

Find by ID using EntityManager in Spring Boot (Primary Key Fetch) – Part 113

Spring AOP JoinPoint Explained (Return Type & Parameters) – Part 169.2

Delete Data using EntityManager in Spring Boot – Part 126

JdbcClient DELETE Query in Spring Boot (Step-by-Step) – Part 107

JdbcClient UPDATE Query in Spring Boot (Step-by-Step) – Part 106

Spring AOP JoinPoint Explained (Method & Class Details Extraction) – Part 169.1

Create JPA Repository in Spring Boot (Step-by-Step) – Part 131

Spring Boot with EntityManager: No @EnableJpaRepositories Required – Part 111

EntityManager Pagination & Dynamic Filters using CriteriaBuilder – Part 120

EntityManager Pagination & Dynamic Filters in Spring Boot (Part 1) – Part 118

Nested Configuration with @ConfigurationProperties in Spring Boot – Part 69