In the previous tutorial, we learned about how to read an XML file using the DOM in Java. In this tutorial, we will learn how to create new XML file using DOM! The steps for creating a new XML file using the DOM include: Use… Read More
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
To disable the user’s command line, you can run the following command:
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usermod -s /sbin/nologin <username> |
At that point, the user will no longer be able to use the command line. To enable it, run the following command:
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chsh -s /bin/bash <username> |
Check out the full series of Questions Management tutorial here. We have prepared the necessary information to build updating a category in the Frontend of our Questions Management application such as a CategoriesService for calling the API Category Service, a Category object for containing a… Read More
The Document Object Model (DOM) is a collection of Java interfaces that makes us easy to access and modify the structure and content of an XML file. In this tutorial, we will learn how to read XML file using DOM in Java. First, I’ll list… Read More
Check out the full series of Questions Management tutorial here. In the previous tutorial, we prepared all the necessary configurations to build an API to update a category: a Category object that holds information about a category, a CoreCategoryService interface with a CoreCategoryServiceImpl implementation to… Read More
The principle of encapsulation in Java makes sense: an object does not allow external objects to directly access the properties of that object, must via the methods that the object allows. The example below the Student object has two properties named name and age, which… Read More
Check out the full series of Questions Management tutorial here. As I mentioned earlier, in the previous tutorial, we have prepared all the necessary information and configurations to be able to build API updating category such as a document Category object containing information about a… Read More
Overloaded methods in Java are methods that have the same name but different the parameter list. In this tutorial, we will learn how to create and use the overloaded methods in Java. Some of the guidelines below for defining our overloaded methods are: Overloaded methods… Read More
In this tutorial, we will learn about the method in Java, how to define a method which can take a parameter or not, and also in case of a return data type or not for that method. We will fully learn about it. Components of… Read More
