In Spring framework, we have a lot of ways to initializing objects in Spring container. One of them is: using XML configuration file. In this tutorial, I will show you something need to know about this XML configuration file! We usually put the Spring XML… Read More
In this tutorial, I will guide all of you on the basic way to initial objects in the Spring container, that is: using the XML file. I would like to work with the example that we discussed in the tutorial about Dependency Injection. Here we… Read More
Message Source is a concept used in Mule ESB application from version 3.x backward, is the important part. In this tutorial, I will share with you all detail about this concept. In a Mule ESB application, Message Source will be a component create new Mule Message… Read More
During running a Container, sometime we want to access to this Container to edit, check something. So, how can we do that? In this tutorial, I will show you how to do that. OK… First of all, you need check the Container which we want… Read More
After exiting a Container in Docker, this Container usually will stop immediately. So, to start a stopped Container in Docker, how can we do? In this tutorial, I will show you the way to do that. OK… To start a stopped Container in Docker, we… Read More
In this tutorial, I will show you how we can install MySQL server on Ubuntu. First of all, let open Terminal on Ubuntu and using below command to install MySQL server.
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sudo apt-get install mysql-server |
During installation, you will see a dialog let us enter the password for… Read More
I don’t want to introduce you all to what is Spring framework because there are a lot of tutorials about it. In this tutorial, I only focus on showing you all how we can ask Spring to say “Hello world” 😀 Spring takes the Dependency… Read More
In this tutorial, I will show you some ways to create directory in Java. The first solution, we will use the File object. This object allow us can create a specific directory or a specific directory with its child. To create a specific directory, we… Read More
I usually need to convert Array object to List object and vice versa in my company project. So, I write this tutorial to share to you all how I can do that. In this tutorial, I use Array and List object with type of String… Read More
NullPointerException is popular exception in Java programming. Even those who experienced code for many years are also defective. I often troll my colleague in my company that: I see you are very good at code, never face with error, if have, only with NPE (stands… Read More
