The first part of the Questions Management application that we need to implement is the section that governs which categories the questions belong to. So, in this tutorial, I will start by adding an interface for the management of these Categories. This interface will allow us… Read More
In Java, any variable can have the following scopes: The variable is inside any method. As a parameter of any method. The variable is inside an object (including fields, attributes, and variables that are not static variables). The static variable of a class. In this… Read More
The SonarQube Scanner plugin is a Jenkins plugin that allows Jenkins to interact with the SonarQube server to report quality code in our projects. In this tutorial, I will guide you how to install this plugin. First, you need to login to Jenkins as an… Read More
In the previous tutorial, we prepared all the necessary configurations to build API retrieving all categories from the Core Category Service in API Category Service as: a Category object to contain information about a category, a CoreCategoryService interface, with implementation is the CoreCategoryServiceImpl, is responsible… Read More
In mathematics, we have priority between plus, subtraction, multiplication and division, in parentheses, in Java, there are similar things in priority between operators if they are used in the same expression. This tutorial, let’s learn about the priority of the operators in Java. Java has… Read More
Check out the full series of Questions Management tutorial here. In the previous tutorial, we prepared all the necessary configurations to build the API retrieving all the categories in the MongoDB database: a document Category object containing information about a category, a CategoryRepository to manipulate with… Read More
Logical operators are used to test the validity of one or more expressions. The return value of these expressions is a boolean value, true or false. In Java, we have the following logical operators: AND (&&) OR (||) NOT (!) AND operator The AND operator… Read More
Relational operators in Java are used to test whether a condition is satisfied. They consist of the following six operators: > >= < <= == != >, >=, <, <= operators We use the operators >, >=, <, <= to check that this primitive value… Read More
Check out the full series of Questions Management tutorial here. Unlike the Core Category Service, the API Category Service only receives a request and then calls the Core Category Service to perform this request. Therefore, in order to build API adding new category in API… Read More
In Java, we have seven mathematical operators including: +: plus –: subtraction *: multiplication /: division %: modular division ++: double plus —: double subtraction It is easy for plus, subtraction, multiplication, division, and modular division, isn’t it? So, in this tutorial, I will focus… Read More
