In this tutorials will teach you @AllArgsConstructor and @NoArgsConstructor @Data annotations.what is the purpose we use this annotations is if we have a class it has Argument Constructor and No Argument Constructor and Getter and Setters and String Method. instead of implementing all of these.

In this tutorials will teach you how to do the validation in Spring boot.this tutorials continue from the last article if you are not read in the last article please read and come here . it is checking the employee id is already exists or not. if it is exists display the warning message as   “Employee ID Already Exists” …

In this tutorials will teach you how to do the Restful API to add the records in to the mysql database.how to insert the records into mysql database step by step via spring boot  layer architecture process using industrial standards.

this tutorials will help you to create the DTO. First you have have to create the class EmployeeDTO.java package com.springschool.firstapp.dto; import org.hibernate.annotations.Type; import javax.persistence.Column; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import java.util.ArrayList; public class EmployeeDTO { private int customerId; private String customerName; private String customerAddress; private double customerSalary; private ArrayList contactNumbers; private String nic; private boolean activeState; public EmployeeDTO() { …

In this tutorials will discuss the how to configure the MySQL database with Spring Boot Intellij Idea.will do it step by step.

In this tutorial will talk about the Entity Creation. lets discuss what is the entity creation. Entity creation nothing but a table creation.in your core java application your create the database then create the table the same thing in spring called as entity.

Spring Boot Application layer Architecture is must before developing the spring boot project. This Architecture explained how to developing spring boot project step by step. How to connect with front-end and back-end application.

In this tutorials explain the following annotation. @GetMapping :-  used for HTTP Get request This is an important annotation. i have explained with example below. I have attached the video tutorial below. and explain the easy steps to understand the process. TestController package com.springschool.firstapp.controller; import org.springframework.web.bind.annotation.*; @RestController @CrossOrigin @RequestMapping("api/v1/test") public class TestController { @GetMapping(path = "/get-Text-1") public String getMyApp() { …

In this tutorials explain the following annotations RestController :  is used for creating a restful API services. RequestMapping: is used for specify following request GET, PUT, POST, DELETE, etc. Cross-origin :  is an important annotation which used to calling restful API request from the front-end application like Anqular or React or vue js or other.

Spring boot is a stand alone back-end java framework. Easy to developing a web application projects along with the microservices.it consist of dependencies for easy to manage the project works. Let We Start to Create the Spring Boot Application Go to google  type  spring initializr.   Select  Maven Project and Language  Java Spring boot Select as Lowest one it is …