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
By default, MySQL does not allow us to access it from other machines, accessible only from the machine itself. Therefore, if we want to access MySQL from another machine, we must make changes in the configuration of MySQL. What the changes are, in this tutorial,… Read More
In Java, we have two types of variables, the primitive variable and the object reference variable. The primitive we learned in the previous tutorials, in this tutorial I will be with you to learn about the object reference variable and its difference with the primitive… Read More
Routing is a way for us to move between pages in a web application. In this tutorial, I will guide you all how we routing in Angular. First, I will create an Angular project as an example: Run the application, you will see the results… Read More
In our previous tutorial, we looked at five of the eight primitive data types in Java. Now let’s look at the 3 remaining primitive data types. float The float is a 32-bit data type that has a very large value. I do not list here… Read More
Primitive data types are the simplest types in every programming language in general and Java in particular. In Java, we have eight primitive data types: char byte short int long float double boolean Variables defined with primitive data types are called primitive variables. In this… Read More
