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
Lambda Expression was introduced to enable functional programming in Java, help us can remove unnecessary code. So, what is Lambda Expression? In this tutorial, I will introduce to you all some basic knowledges about Lambda Expression in Java. OK, let’s go. Why do we need… Read More
In Java, we have a lot of ways to convert List of String object to String object with a delimiter between the elements in List object. In this tutorial, I will share with you all some ways as below: The first one, we will use StringBuilder… Read More
You already known how to install the Vaadin plugin in Eclipse in previous tutorial, so how we can use this plugin to create and run an application using Vaadin framework in Eclipse. In this tutorial, I will show you do that! First of all, let start your Eclipse, then choose File -> New then select Other… A… Read More
