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For that command, the classpath should point to the current folder: game
so if graphics is in game, it should be on the classpath

The java files in the graphics folder should be in package...

The classpath needs to point to the folder that contains the package folder: graphics
Where is the graphics folder located?

What folder did you issue the javac command in? You could be in the same one with the .java file. You'll need to set the classpath to point to the folder containing the package for the other...