A class in Java is defined by the class keyword and for beginners, to get a better understanding, in this tutorial I will present the basic knowledge about the structure and its components in possible detail First of all, let’s say a Java class consists… Read More
In the previous tutorial on the bean autowiring using the @Autowired annotation, I mentioned that the AutowiredAnnotationBeanPostProcessor object is used to dynamically place objects that depend on the dependent object. Perhaps some of you are wondering how this object can do that, right? Me too,… Read More
To work with the Angular project, the most basic thing we need to know is the structure of an Angular project, what is the purpose of each file contained in this project in order to develop the Angular application. In this tutorial, I will present… Read More
The Node Package Manager (NPM) is a tool used to manage dependencies in Node.js. In this tutorial, through some basic operations, I introduce to you all overview of Node Package Manager in Node.js. To envision, I will create a new Node.js project as an example: The… Read More
After successfully installing Node.js, you can use the Node Package Manager (NPM) tool to create a new Node.js project to start working on it. How is it in details? In this tutorial, I will guide you all to do this. First, open Terminal (macOS or… Read More
In my tutorial Bean autowiring in Spring framework, I showed to you all three ways to automatically put a dependency object on a dependent object without having to use the ref or list attributes. In this tutorial, I will introduce you to another way of… Read More
In order to effectively manage the questions, we need to build a full-featured management page that allows us to manage the entire application from adding, deleting, correcting questions, categories to user management, new information that users update. At first, I thought to build the whole… Read More
The volatile variable in Java has the effect of informing the change of its value to different threads if the variable is being used in multiple threads. For you to understand more, I made an example as follows:
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public class VolatileExample { private volatile static int COUNT = 0; public static void main(String[] args) { new ChangeListener().start(); new ChangeMaker().start(); } static class ChangeListener extends Thread { @Override public void run() { int value = COUNT; // When value of COUNT variable is less than 5, this thread will loop forever to check the value of this variable while (value < 5) { if (value != COUNT) { System.out.println("Count variable changed to : " + COUNT); value = COUNT; } } } } static class ChangeMaker extends Thread { @Override public void run() { int value = COUNT; while (COUNT < 5) { System.out.println("Increasing value of count variable to " + (value + 1)); COUNT = ++value; try { Thread.sleep(500); } catch (InterruptedException e) { e.printStackTrace(); } } } } } |
In this example, we have two… Read More
On the frontend, Questions Management will use the Angular framework along with some other JavaScript libraries for development. I will also use the frontend-maven-plugin to manage the dependencies for this frontend. In this tutorial, we will be using the Angular CLI to create a new… Read More
Creating an Angular Project using the Angular CLI is nothing easier. You only need (after installing Angular CLI): Navigate to the directory where you want to create the Angular project Open terminal in macOS, Linux or command-line in Window Enter the following statement:
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ng new <project_name> |
with… Read More
