Spring Boot Read File from resources using ClassPathResource

In this Spring Boot tutorial, we learn how to read files located in the resources folder in a Spring Boot application using ClassPathResource class.

Spring Boot Web using Undertow Embedded Servlet Container

In this Spring Boot tutorial, we learn how to use Undertow as an embedded servlet container in Spring Boot Web application.

Spring Boot RESTful API Documentation with OpenAPI 3.0 and Swagger-UI using springdoc-openapi

In this Spring Boot RESTful API tutorial, we learn how to use the springdoc-openapi Java library in the Spring Boot project to generate the documentation for the Restful API. Step by step we learn how to generate the document in OpenAPI 3.0 standard and then showing the document in Swagger-UI.

Spring Boot Console Application using CommandLineRunner

In this Spring Boot tutorial, we are going to learn how to create a console application with Spring Boot using CommandLineRunner interface.

Spring Boot Download Excel File Export from MySQL Database

In this tutorial, we are going to learn how to implement a download function for a Spring Boot web application to allow users download excel files, which the Excel file content export from a MySQL database table.

Spring Boot Web Application Export and Download JSON File

In this tutorial we are going to learn how to implement a Spring Boot web application to export JSON and allow users to download as a JSON file via web browser. Via step by step guide we show you how to implement an example web application to export a list of customers to a JSON file.

Spring Boot Web Application Export and Download Text File

In this tutorial we learn how to create a new text file and provide the user the web interface to download the text file in a Spring Boot web application. We will learn how to download a text file in Spring Boot with 5 different approaches to implement the feature.

Spring Boot Access MySQL Database with Spring Data JPA

In this tutorial we walk you through step by step to create a Spring Boot application to access MySQL database using Spring Data JPA and MySQL Driver. Via step by step example we will create a Spring Boot project to save Customer entity into customer data table in MySQL database.

Spring Boot Starter Data Redis for Data Storage on Redis Server

In this post, we are going to learn how to use Redis as data persistence for our Spring Boot Application by using Spring Boot Starter Data Redis and Jedis Client.

Spring Boot Implement AOP with Spring Boot Starter AOP

In this article, we learn how to implement AOP (Aspect-Oriented Programming) in a Spring Boot Web application. Via step by step to creating the sample Spring Boot web application, we are going to explore how to use Spring Boot Starter AOP library which is the combination of Spring AOP and AspectJ libraries to easily implement AOP in Spring Boot application.