You need to copy the files from your location to the destination ~pdslab/2015/assign9/cs15XX. Here cs15XX is your roll no.

File names should follow the convention given in the assignment sheet. Remember to give read access rights on your source (program) files before uploading them.

Copy all the source files (Java) to ~pdslab/2015/assign9/cs15XX/

Use ls command to verify your submitted files:

ls -l ~pdslab/2015/assign9/cs15XX/