Build a Spring Boot Thymeleaf CRUD example with Maven that use Spring Data JPA to interact with H2/MySQL/PostgreSQL database. You'll know:

• How to configure Spring Data, JPA, Hibernate to work with Database
• How to define Data Entity and Repository interfaces
• Way to create Spring Controller to process HTTP requests
• Way to use Spring Data JPA to interact with H2/MySQL/PostgreSQL Database
• How to use Thymeleaf template engine for View layer

For more detail, please visit:

Spring Boot Thymeleaf example: CRUD Application

More Practice:

Thymeleaf Pagination example

Thymeleaf Pagination and Sorting example

Spring Boot File upload example with Multipart File

Spring Boot Pagination & Filter example | Spring JPA, Pageable

Spring Data JPA Sort/Order by multiple Columns | Spring Boot

Spring Boot Repository Unit Test with @DataJpaTest

Deploy Spring Boot App on AWS – Elastic Beanstalk

Exception Handling:

Spring Boot @ControllerAdvice & @ExceptionHandler example

@RestControllerAdvice example in Spring Boot

Rest API:

Spring Boot + MySQL: CRUD Rest API example

Spring Boot + PostgreSQL: CRUD Rest API example

Spring Boot + SQL Server: CRUD Rest API example

Spring Boot + H2: CRUD Rest API example

Spring Boot + MongoDB: CRUD Rest API example

Spring Boot + Oracle: CRUD Rest API example

Spring Boot + Cassandra: CRUD Rest API example

Security:

Spring Boot + Spring Security JWT Authentication & Authorization

Fullstack:

Vue + Spring Boot example

Angular 8 + Spring Boot example

Angular 10 + Spring Boot example

Angular 11 + Spring Boot example

Angular 12 + Spring Boot example

Angular 13 + Spring Boot example

Angular 14 + Spring Boot example

React + Spring Boot + MySQL example

React + Spring Boot + PostgreSQL example

Run both Back-end & Front-end in one place:

Integrate Angular with Spring Boot Rest API

Integrate React.js with Spring Boot Rest API

Integrate Vue.js with Spring Boot Rest API

mvn spring-boot:run