debug java exercise program

The attached java file test.java and its client program
TestFan.java throw up many errors when I try to compile

Please help me to debug

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...st (FAST and isOn). I replaced those with numbers; you can add a constant later if you would like. Also, you could try something like ceiling.SetFastSpeed() to just set it to some arbitrary fast speed you have determined.
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<br>Like I said, I'm not fully sure that you had a Fan.java class originally, so here is the idea behind it. Each object that you deal with in an Object Oriented language like Java needs its own Java file to ...