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
JDBC stands for Java Database Connectivity, which is an API that allows us to build applications that can access and manipulate with many different types of databases. In this tutorial, I will talk to you about the basic knowledge of JDBC. First, I will create… Read More
To migrate any file in Java, in Java 6 or older Java versions, we can use the renameTo() method located in the File object to do this:
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package com.huongdanjava.javaexample; import java.io.File; public class MoveFile { public static void main(String[] args) { File source = new File("F://source.txt"); File dest = new File("E://dest.txt"); if (source.renameTo(dest)) { System.out.println("Move file " + source.getAbsolutePath() + " to " + dest.getAbsolutePath() + " success."); } } } |
Result:
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Move file F:\source.txt to E:\dest.txt success |
From Java 7 onwards, we have another way to move a file, which is to… Read More
The CXF component in the Mule ESB uses the Apache CXF library to help us create a SOAP Web Service or consume from a SOAP Web Service. In this tutorial, I will show you how to use CXF component in Mule ESB to create a… Read More
In this tutorial, we will cover how to copy any file in Java. If you consider Java 6 or earlier, Java does not have an object or method that supports us copying a file, only creating or deleting a file. So if you are working… Read More
Before going into the JPA tutorials, I think I need to clarify the differences between JPA and Hibernate because I see if most of you did not understand thoroughly, will not distinguish the difference between them. JPA stands for Java Persistence API, which is a… Read More
Anyone who wants to learn about JPA needs to know about the concept of Object Relational Mapping. So what is it actually? Suppose, you are working on an application and your application uses a table named users in the database. The structure of this table… Read More
We already know how to get an object from the Spring container using the getBean() method but sometimes we have the opposite need. That is, we want to use the Spring container in our object to have access to other objects in its container. Is… Read More
