What does a Java static method look like in Ruby?

Posted by Hosh on Stack Overflow See other posts from Stack Overflow or by Hosh
Published on 2010-03-17T05:25:55Z Indexed on 2010/03/17 5:31 UTC
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In Java, a 'static method' would look like this:

class MyUtils {
    . . .
    public static double mean(int[] p) {
        int sum = 0;  // sum of all the elements
        for (int i=0; i<p.length; i++) {
            sum += p[i];
        }
        return ((double)sum) / p.length;
    }
    . . .
}

// Called from outside the MyUtils class.
double meanAttendance = MyUtils.mean(attendance);

What's the equivalent 'Ruby way' of writing a 'static method'?

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