How to Create REST APIs with Java and Spring Boot

This tutorial guides you in creating REST APIs with Java Spring Boot to perform CRUD operations on an employee database. It covers the following steps: 1. Setting up prerequisites such as JDK, Maven, MySQL, and Eclipse IDE. 2. Explaining the advantages of using Spring Boot for developing REST APIs. 3. Creating a Spring Boot project using Spring Initializr. 4. Adding sub-packages to the project for DAO, Repository, Service, and Model layers. 5. Configuring MySQL database details in Spring Boot application properties file. 6. Creating model class Employee that maps Java objects to database entities. 7. Implementing EmployeeRepository interface extending JpaRepository for CRUD operations on the employee table. 8. Developing EmployeeService class containing business logic and calling methods of EmployeeRepository. 9. Designing EmployeeController class with REST API endpoints for CRUD operations using HTTP methods such as POST, GET, PUT, DELETE. 10. Building and testing the application in Eclipse IDE and Postman respectively.