Import the jar package with Eclipse and make it under one folder

The steps are as follows:
1. Right click on the item you need to add the jar package to.

2. Select "Properties".

3. Then select "Java Build Path" in the dialog box.

4. Select the "Libraries" tab, then click "Add External JARS" on the right, then locate the path where your jar is stored and select the jar package you want to add.

5, click "OK" to complete.

Follow the steps above to add a good jar package.

Note: If you are adding a jar with the system, select "Add JARS" at the 4th step and the other steps are the same.

Import the jar package with Eclipse and make it under one folder