In this tutorial, I will guide you how to install Jenkins server using Docker. First, open the Terminal on macOS and Linux or the Console on Windows, then use the “docker pull” command to download the Jenkins Image from the Docker Repository. Here, we have… Read More
Composite Primary Key is a table containg two or more columns Primary Keys. To represent them by entity in JPA, we can use the @Embeddable annotation. How is it in details? Let’s find out in this tutorial. First, I will create a Maven project as… Read More
Spring framework version 5 with support from Java 8 and above, can help us using Functional Programming in Java code. And Spring WebFlux is no exception. We can also build Reactive web applications using Lambda Expression. In this tutorial, I will guide you all how… Read More
As I said in my previous post, we can develop Reactive web applications using @RestController or @Controller annotations in Spring MVC using Spring WebFlux. How is it in detail? We will find out in this tutorial. First, I will create a Spring Boot project with… Read More
Spring Boot provides us with several ways to create a new project using Spring Initializr, but the easiest way that many programmers always use that is the Spring Initializr Web. In this tutorial, I will guide you all on how to create a new Spring… Read More
Spring framework version 5 has been released along with a new module, Spring WebFlux, with functionality that helps us build Reactive web applications. How is it in detail? In this tutorial, I will introduce you to some basic knowledge about Spring WebFlux! The first thing… Read More
To specify the format that a request can process for a user request, such as the JSON data format, we can use the @RequestMapping annotation with the consumes property in Spring MVC. How is it in detail? Let’s find out in this tutorial! First, I… Read More
In the previous tutorial, I introduced to you all about Reactive Streams in Java which implements Reactive Streams specification. In this tutorial, I will introduce you all one more library that also implements the Reactive Streams specification: it is Project Reactor. How is it in… Read More
We usually use the @Controller annotation to develop Spring MVC applications, but since version 4.x, Spring has introduced another annotation called @RestController. What is the purpose of annotation @RestController? What is the difference between @Controller annotation and @RestController annotation? In this tutorial, let’s find out!… Read More
In this tutorial, we will research together on a final annotation in JPA, beside @ManyToOne, @OneToOne, @OneToMany annotation, to express the relationship between any two tables in the database. That is the annotation @ManyToMany! In case, any two tables have many-many relationships, such as a… Read More
