Java Spring Boot

Crud App with Spring Boot

Objective

In this tutorial, I will show you how to build a crud app using Spring Boot .

Environment

Java

Spring boot

Mysql

Spring Boot

• Java version

java -version

• Create a Java app with Spring Initializr

• Generate Java Spring App

• Open Java Spring App with IntelliJ IDEA

• Add model repository controller exception packages

• Add User class

• Add UserRepository

• Mysql workbench

create database data;

• configure database connection with JDBC driver application.properties

• Run Spring Boot

• Result MySQL Workbench

show databases;

use data;

desc user;

• Add UserController class to send data in the database with postMapping

• Run java spring boot port 8080

• Postman: create a new collection

• new request send POST user localhost port 8080

• view data in MySQL Workbench select from user

• GetMapping for getting data from the database

• new request Postman get users localhost port 8080

• GetMapping: view user by id

• Exception

• Test view user by Postman

• PutMapping spring: edit user by id

• Delete Mappin spring: delete a user by id

• delete user by id postman