The import org.apache.commons cannot be resolved

This error message indicates that your Java project is missing a required library called Apache Commons. To resolve this issue, you need to download and add this library to your project's classpath.

Here are the steps you can follow:

1. Go to the Apache Commons website (https://commons.apache.org/) and download the latest version of the library that you need. Make sure to download the binary distribution for Java.

2. Extract the downloaded archive to a folder on your computer.

3. In your Java project, right-click on the project name and select Properties.

4. In the Properties dialog box, select Java Build Path from the left-hand menu.

5. Click on the Libraries tab and then click the Add External JARs button.

6. Navigate to the folder where you extracted the Apache Commons library and select the JAR file(s) you need.

7. Click OK to add the JAR files to your project's classpath.

8. Click Apply and Close to save the changes to your project's configuration.

After completing these steps, you should be able to use the Apache Commons library in your Java code without any errors.