DRY principle in programming

DRY principle (Don’t Repeat Yourself) is a principle that every programmer needs to understand and follow. In this tutorial, let’s learn about this principle. The DRY principle shows that if we are trying to write the same code in different places, instead of copying and pasting… Read More

Edit XML file using the DOM in Java

In this tutorial, I will guide you how to edit an XML file using the DOM through an example is to edit the XML file has the following content:

The information will be edited I will edit some things as follows: Correct student number… Read More

Questions Management – Core Category Service – Build API deleting category using Spring WebFlux and Spring Data MongoDB Reactive

Check out the full series of Questions Management tutorial here. In the previous tutorial, we prepared all the information we needed to create the category deletion API: a Category document object containing information about a category, a CategoryRepository to manipulate MongoDB, a CategoryController defines the… Read More