When working with a switch statement, you can encounter some following problems: The first problem is that we forget to declare the break statement: this means that our code will not exit the switch statement after matching the first case but will continue the next… Read More
In the past, when working with Reactive applications that use database, we would usually use a MongoDB database because very few databases supported the Reactive mechanism except MongoDB. But now you do not need to use MongoDB database anymore, Reactive Relational Database Connectivity (R2DBC) will… Read More
In the previous tutorial, I have introduced to you the basic ideas of Clean Architecture. In this tutorial, I will go into detail about how to implement Clean Architecture with a Java application! To easy understanding, I will take the student management application example mentioned… Read More
Clean Architecture is a way of writing code, organizing code introduced by Robert C. Martin. Let’s say that for you to understand, normally, when building a Java project to expose RESTful APIs, we will build a project with many different packages as follows: Inside: The… Read More
In this tutorial, I will show you how to install MySQL Community Server on macOS. First, you need to go to https://dev.mysql.com/downloads/mysql/ to download the MySQL installation file for macOS: There are many different options, but you should choose the .dmg file to install because… Read More
The instanceof operator in Java is an operator used to check if this object is an instance of a certain class or interface or not? The return result of this operator will be true if the object is an instance of the class you are… Read More