Quote Originally Posted by johntheface
whenever i've done java programming at uni then to compile a program i've had to go into the directory of the .java file in a command prompt window and type "javac filename.java". this is what i'm trying to do my laptop at home but i get that message.
Ooohhhh. Well, then in that case...

Quote Originally Posted by Martin O
learn about the Command Prompt and the PATH variable.