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/gist:1791986

Created February 10, 2012 19:27
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  1. @invalid-email-address Anonymous created this gist Feb 10, 2012.
    19 changes: 19 additions & 0 deletions gistfile1.txt
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,19 @@
    // the solution

    // 1. declare the class Number(Int)
    // 2. define method Number.inc(): Number
    // 3. define method Number.dec(): Number
    // 4. define getNumber():Int

    class Number(var n : Int) {

    def inc(): Number = {
    n + 1
    }
    def dec(): Number = {
    n - 1
    }
    def getNumber() : Int = {
    return n
    }
    }