Simple JDBC encapsulation method of Java

After learning JDBC for a period of time, I felt like writing a simple package to try, so I wrote some reference materials. It's not very good. After all, I haven't learned it for a long time

First write the configuration file: create a DB directly under Src Properties file and write the contents

Then write a class code as follows

Then write the main class code as follows

The following are two figures to establish dB Properties

The above is the whole content of this article. I hope you can like it.