What are constructers and destructors

        What is the difference beetween a constructor and a proceedure,
and what are destructors? These are pretty elementry but I'm not very
advanced in pascal. Also why do you decalre VIRTUAL methods??? I am just
getting started on the language so HELP ME PLEASE, SOMEONE!!!!
        -=Thanks=-

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                David Stevenson
                STEV...@BVSD.K12.CO.US
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        "Little Jimmy Had a Drink, but He Will Drink No More, For What He
Thought Was H2O Was H2SO4" -Kenneth Mitton

"Death to mushrooms" -Some obsessed fan