Learn how to get a database connection with JDBC

1. Preparations

1.1 Import JDBC jar package

First, we need a jar package for the JDBC driver, which you can download from the official website.

• Oracle's driver: oracle.jdbc.driver.OracleDriver
• MySQL driver: com.mysql.jdbc.Driver
  Next, import the JDBC jar package into the IDEA class library: press Ctrl+Shift+Alt+s to open Project Structure, click "+",Select Java, find the storage location of your JDBC, and click OK.
  

The following means the import was successful

1.2 create a database in MySQL

Ideas

You can use Maven to manage the project download and import JDBC jar package. I have not tried this method. Interested friends can try it. I also want to know!

2. Create a configuration file

As follows, first create a file, here I created it under the corresponding package, of course, you can also create it under the src of the project, and write the basic information of the database connection

3. Write code

It works perfectly, very nice, perfect,