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
Check out the full series of Questions Management tutorial here. To build the API adding a new category in the Core Category Service, there are a few things we need to do first: The first thing we need to add an interface named CategoryRepository to manipulate… Read More
Code coverage is a measure of how many lines of our code are covered by the Unit Test. This is very helpful, so we can evaluate the quality of our code, how much of our code has been and has not been covered by the… Read More
In Java, we have the following assignment operators: = += -= *= /= – The assignment operator “=” is used most often, which is used to initialize the variable and assign a new value to it. Example: You cannot use this assignment operator to assign… Read More
I gave you an overview about routing in Angular. In this tutorial, we will apply it to our Questions Management application. First, I will create a new module called AppRoutingModule in the app-routing.module.ts file in the src/app directory: with the following content:
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import { NgModule } from '@angular/core'; import { RouterModule, Routes } from '@angular/router'; import { DashboardComponent } from './dashboard/dashboard.component'; const routes: Routes = [ { path: '', component: DashboardComponent }, { path: 'dashboard', component: DashboardComponent }, { path: '**', pathMatch: 'full', redirectTo: '/' } ] @NgModule({ imports: [ RouterModule.forRoot(routes) ], exports: [ RouterModule ] }) export class AppRoutingModule { } |
As you… Read More
In my previous tutorial, I talked about the Apache Maven’s Maven Surefire Plugin plugin to run Unit Test in Maven projects. I used JUnit 4 in the example of this tutorial. If I now upgrade my JUnit library from version 4 to version 5 in… Read More
