# Function CountDV C# Exercise - C# Programming Course

### Example Code

``````using System;
public class exercis122
{
public static void CountDV(string answer, ref int amountOfDigits, ref int amountOfVowels)
{
amountOfDigits = 0;
amountOfVowels = 0;

for (int i = 0; i < answer.Length; i++)
{
{
case "a":
case "e":
case "i":
case "o":
case "u":
amountOfVowels++;
break;
case "0":
case "1":
case "2":
case "3":
case "4":
case "5":
case "6":
case "7":
case "8":
case "9":
amountOfDigits++;
break;
}
}
}

public static void Main()
{
int amountOfDigits = 0;
int amountOfVowels = 0;

CountDV("This", ref amountOfDigits, ref amountOfVowels);

Console.WriteLine(amountOfDigits);
Console.WriteLine(amountOfVowels);
}
}``````

### More C# Exercises of Functions

##### Function Multiply & MultiplyRCreate two functions, Multiply and MultiplyR, to calculate the product of two numbers using sums. T he first version must be iterative, and the second...

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