Java: running program when path not set
Tutoring comp sci, you experiment a lot. The tutor shares one.
The java command, in Windows, anyway, seems to like a space between the directory and the filename you are running.
java -cp f:/dir1/dir2 program_file
not
java -cp f:/dir1/dir2/program_file
Source:
Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.