What is the HTTP client? For example, if you want to access a website, you are a client. You type the URL of the website into the browser, and you get the content of that website in the browser. Most websites use the HTTP protocol,… Read More
JSch is a Java library implementing SSH2 protocol, which allows us to connect and manipulate files on an SFTP server. In this tutorial, I will guide you all how to connect to an SFTP server using this library. First, I will create a Maven project as… Read More
In this tutorial, I will guide you to convert from InputStream to ByteArray using Apache Commons IO library. In the Apache Commons IO library, there is a class called IOUtils. It contains three methods that allow us to easily convert from InputStream to ByteArray. That… Read More
Apache Ant is a tool for building Java projects. In the old days, when working at my old company, I always used it. But now, it is less used because of Apache Maven. In this tutorial, I will guide you how to copy a file… Read More
In Java, we inherit one object using the abstract keyword, Spring also supports us to do the same thing in itself. This tutorial will show you how to use bean inheritance in Spring. OK, first we need to have a Maven project to work on.… Read More
To compile the source code in Maven, we will usually use the Maven Compiler Plugin. It allows us to configure the version of Java that we want to compile the source code. For example, if you write code using the syntax of Java 7 and… Read More
SSH is a tool for us to log on to another machine from our computer. This tutorial will guide you how to copy any file from one computer to another using SSH. To copy a file from your computer to another machine, use the following… Read More
To change the password of any MySQL user, please login to MySQL with the user have right permission to change the data in the database. Here, I will use the root account:
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mysql -u root -p |
Enter and then enter the password. By default, all user information is… Read More
When working on a project that uses MySQL, on your computer you usually use the root user with all the rights to manipulate the database. This is nothing to say, but imagine if you were working in a production environment, where any database-related errors will… Read More
If you are using Eclipse, we will sometimes encounter a bug related to setting the size of the indentation for the XML file. What is that error? In Eclipse, you try to open Preferences, select XML, select XML Files and then select Editor to change… Read More
