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It might be easier to rename your file. You refer to Lamp in several places, but you'd only have to change the filename once. Give it a try and let us know where it gets you.

You should always copy and paste your full errors, rather than re-typing them. It looks to me as though you might be trying to compile a file called "PrgLamp.java" which only contains a class called...

You see in your image where it tells you the error is on line 1, and then on the next line there's a '^'? That '^' points to the character on the problematic line where javac thinks things have...