For Java related projects, you can see the list of external libraries in the Project Explorer. You can check the jar's internal structure or delete it by right-clicking.
You can download the library by clicking the guidance message displayed in the pom.xml. (Maven)
External library can be downloaded by right-clicking project folder or pom.xml file and clicking [Import (Maven)] menu.
To add a library within an external library, you must use a terminal to directly access the folder path below to install the library.
If you use the URL to receive data, please refer to the information below and enter it in the terminal.
mkdir "[Path]" ext
curl -O ["URL"]