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Spring Boot 4 in Action: Build 5 Projects from Scratch [NEW]

Name: Spring Boot 4 in Action: Build 5 Projects from Scratch [NEW]
Rating: 4.5 (232 reviews)

Build 5+ Mini Spring Boot Projects using Java 25, REST API, Spring Boot 4, Spring Security 7, Thymeleaf, React JS, MySQL

Role Play

Created byRamesh Fadatare (Java Guides)

Last updated 6/2026

English

What you'll learn

Learn Spring Boot Fundamentals
Learn to Build REST APIs using Spring Boot 4
Build Todo Management Project using Java, Modern REST APIs, Spring Boot 4, Spring Security 7, and JWT.
Build Expense Tracker Project: Learn how to build REST APIs, handle the exceptions, generate REST API documentation and more.
Build Banking Application using Java, Modern REST APIs, Spring Boot 4, Spring Data JPA, MySQL Database.
In Student Management System project, you will learn how to create a web application (Student Management System) using Java, Spring Boot, Thymeleaf, and MySQL.
In Employee Management System project, you will learn how to create a web application (Employee Management System) using Java, Spring Boot, React JS, and MySQL

Course content

25 sections • 211 lectures • 21h 51m total length

Introduction2:11
Explore My 15+ Courses on Udemy Business – Don’t Miss Out!0:58

What is Spring Boot?7:09
Spring Boot Features8:02
Creating Your First Spring Boot Project6:00
Understanding Spring Boot Project Structure7:13
Creating Spring Boot Hello World REST API6:07
Change the Server Port and Context Path in Spring Boot4:10
Spring Boot Starters Feature8:37
Spring Boot Starter Parent Feature6:16
Spring Boot Auto Configuration Feature - Theory5:39
Spring Boot Auto Configuration - Demo6:22
Exclude Specific Auto Configuration Classes in Spring Boot4:56
Spring Boot Conditional Annotations5:40
Spring Boot applies auto configurations only when conditions are met, using conditional annotations like on class, on missing bean, on property, and web or not web.
Understanding @SpringBootApplication Annotation10:13
Team Meeting: Introduction to Spring Boot and Core Features
Mock Interview: Spring Boot Basics
Section Quiz - Test Yourself

Section Overview1:48
Master Spring Boot rest api basics, including RestController, GetMapping, PostMapping, PutMapping, DeleteMapping, PathVariable, RequestParam, RequestBody, ResponseEntity, and base URL via RequestMapping.
Create a Simple Spring Boot REST API7:21
Create a simple Spring Boot rest api by building a hello world controller annotated as a rest controller, mapping a get request to /hello-world that returns hello world.
Create a Spring Boot REST API returns Java Bean5:39
Create a Spring Boot REST API That Returns List3:52
Create a spring boot rest api that returns a list of students as json, using a get mapping and a controller method.
Spring Boot REST API with Path Variable - @PathVariable7:58
Spring Boot REST API with Request Param - @RequestParam6:41
Spring Boot POST REST API - @PostMapping and @RequestBody9:21
Spring Boot PUT REST API - @PutMapping and @RequestBody9:05
Spring Boot DELETE REST API - @DeleteMapping4:47
Using Spring ResponseEntity to Manipulate the HTTP Response9:38
Learn how to use the response entity class to craft a complete http response for Spring Boot Rest APIs, configuring status, headers, and body with 200 and 201 codes.
Define Base URL for REST API’s in Spring MVC Controller - @RequestMapping5:31
Download Source Code of this Section0:01
Section Quiz - Test Yourself

Create and Set up Spring Boot 4 Project in IntelliJ IDEA6:23
Configure MySQL Database in Spring Boot Project4:30
Create User JPA Entity9:27
Create Spring Data JPA Repository - UserRepository3:51
Create UserDto and UserMapper Classes5:29
Build Create User REST API16:35
Build Get User By Id REST API9:52
Build Get All Users REST API5:23
Build Update User REST API9:14
Build Delete User REST API5:54
Download Source Code of This Section0:03

Requirement 1 - Account Management Feature0:57
Design REST APIs for Account Resource7:24
Create and Set up Spring Boot Project in IntelliJ IDEA5:36
Configure MySQL Database in Spring Boot Project4:00
Create Account JPA Entity and AccountRepository4:51
Add Account REST API13:52
Get Account REST API5:43
Deposit Amount REST API8:50
Build a deposit rest API that updates an account balance by adding a specified amount, using a service, repository, and DTO mapping, exposed via put /{id}/deposit.
Withdraw Amount REST API8:25
Get All Accounts REST API6:09
Build the get all accounts rest api by implementing the service method to fetch all accounts, map entities to account dtos, and expose a get mapping in the controller.
Delete Account REST API5:25
Using Record Class as DTO in Spring Boot5:39
Download the Source Code of this Section0:01
Section Quiz: Test YourSelf

Create Transaction Entity5:30
Create TransactionRepository and Define Query Method3:52
Log Transaction for DEPOSIT Operation5:59
Log Transaction for WITHDRAW Operation4:19
Log Transaction for TRANSFER Operation7:45
Build Fetch Account Transactions REST API9:39
Build the fetch account transactions api by implementing a transaction DTO, converting JPA entities to DTOs, and wiring service and repository to return transactions ordered by timestamp; test with Postman.
Download Source Code of this Section0:01

Requirements

Java
Familiar with IntelliJ IDEA
No Spring Boot experience is needed, I added crash course on Spring Boot and REST APIs
Know the basics of HTML, CSS, and JavaScript

Description

This course teaches you how to build 5+ mini Spring Boot projects using Java 25, REST API, Spring Boot 4, Spring Security 7, Thymeleaf, React JS, and MySQL database.

Note that this course has been upgraded to support the latest versions of Spring Boot 4 and Java 25.

In this course, we will build these 5 Spring Boot mini-projects:

Banking Application

Personal Expense Tracker Project

Todo Management Project

Student Management System

Employee Management System

Todo Management Project

In the Todo Management Project, you will learn how to build real-time REST APIs and secure those REST APIs using Spring Security and JWT (JSON Web Token).

Personal Expense Tracker Project

In the Expense Tracker Project, you will learn how to build REST APIs, handle exceptions, generate REST API documentation, and more. The Expense Tracker Application is a comprehensive solution that helps users manage their finances efficiently by tracking expenses across multiple categories.

Banking Application

In the Banking Application Project, you will learn how to build REST APIs for the banking domain. The application supports creating bank accounts, fetching account details, making deposits and withdrawals, transferring funds between accounts, and viewing transaction histories.

Student Management System Project

In the Student Management System project, you will learn how to create a web application (Student Management System) using Java, Spring Boot, Thymeleaf, and MySQL database.

Employee Management System Project

In the Employee Management System project, you will learn how to build a full-stack web application (Employee Management System) using Java, Spring Boot, React JS, and MySQL database.

Tools and technologies used in this course:

Server-side:

Java 25
Spring Boot 4
Spring Data JPA (Hibernate)
Maven
IntelliJ IDEA
MySQL database
Postman

Client-side:

JavaScript
Thymeleaf
React JS 18+
React Router
Axios
Bootstrap CSS framework
Visual Studio Code IDE
VS Code extensions
Node JS
NPM

Who this course is for:

This course is designed for Java developers eager to master Spring Boot through hands-on project building

Spring Boot 4 in Action: Build 5 Projects from Scratch [NEW]

What you'll learn

Explore related topics

Course content

Introduction2 lectures • 3min

Setting Up Development Environment4 lectures • 21min

Spring Boot 4 Fundamentals - Getting Started15 lectures • 1hr 26min

Spring Boot 4 REST API Basics and Annotations12 lectures • 1hr 12min

Spring Boot 4 CRUD REST APIs with MySQL Database [PROJECT 1]11 lectures • 1hr 17min

Banking Application using Spring Boot 4 [PROJECT 2]3 lectures • 8min

Banking Application - Basic Banking Operations13 lectures • 1hr 17min

Banking Application - Exception Handling5 lectures • 18min

Banking Application - Transfer Funds Feature4 lectures • 15min

Banking Application - Transaction History Management Feature7 lectures • 37min

Requirements

Description

Who this course is for: