WebSocket is one of the Socket types, in short, for you to easily imagine WebSocket, it helps us to create a 2-way connection between server-side and client-side in any web application. Once the connection has been established, the client and server can exchange information, the… Read More
By default, when you use Spring Data JPA Starter in your Spring project, Hibernate will be the default implementation used. However, in some cases, you may not want to use this default implementation. For example, I’m converting this open source openid-connect https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server from Spring MVC… Read More
In the previous tutorial, I showed you how to implement internationalization in Spring MVC applications. For Spring Boot applications, how to implement internationalization? I will guide you in this tutorial! First, I will create a new Spring Boot project: with Spring Web dependency: as an… Read More
I showed you how to get the base URL in the Controller of Spring MVC and Spring Boot application. To do this in the JSP page, we will need to use the pageContext object of the Java Servlet. Roughly speaking about this pageContext object, it… Read More
When working with web applications using Spring MVC or Spring Boot, sometimes we will need to get the base URL information of the application to do something. The base URL here is https://huongdanjava.com or https://google.com. To do this, you can use Spring’s ServletUriComponentsBuilder class. In… Read More
Internationalization is a feature of modern web applications, capable of displaying interfaces in multiple languages from different countries. For example, if your web application can display English, Vietnamese, German, Korean, Japanese, then users who know one of these languages can choose the language they are… Read More
In the previous post, I showed you how to use database migration with Liquibase in Spring MVC. So what about Spring Boot? In this tutorial, I will show you how to do this! It’s really simple! First, I will create a new Spring Boot project… Read More
In the previous tutorial, I introduced you to Liquibase, a library that helps us to perform database migration for any Java application. In this tutorial, I will guide you to implement database migration using Liquibase with Spring MVC application! First, I will create a new… Read More
Database migration, also known as version control for the database, is the job of managing information and structuring the database in a versioning style. For example, you are developing a student management application that uses a database, the first release of this application you need… Read More
Java allows us to define a class that belongs to another class, for example:
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package com.huongdanjava.javaexample; public class Application { class Builder { } } |
Class is defined inside another class, we call it nested class and this other class is called outer class. In my example above, the Builder is a nested class and… Read More
