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// Return average of "some number" of doubles.

static double CalculateAverage(params double[] values)

{

Console.WriteLine("You sent me {0} doubles.", values.Length);

double sum = 0;

if(values.Length == 0)

return sum;

for (int i = 0; i < values.Length; i++)

sum += values[i];

return (sum / values.Length);

}

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8849CH04.qxd  10/1/07  10:31 AM  Page 111

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This method has been defined to take a parameter array of doubles. What this method is in fact

saying is, “Send me any number of doubles and I’ll compute the average.” Given this, you can call

CalculateAverage() in any of the following ways (if you did not make use of the params modifier in

the definition of CalculateAverage(), the first invocation of this method would result in a compiler

error):

static void Main(string[] args)

{

Console.WriteLine("***** Fun with Methods *****");

...