C# - Returning Multiple Values in A Method

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public class mathClass
{
public static int TestOut(out int iVal1, out int iVal2)
{
iVal1 = 10;
iVal2 = 20;
return 0;
}
public static void Main()
{
int i, j; // variable need not be initialized
Console.WriteLine(TestOut(out i, out j));
Console.WriteLine(i);
Console.WriteLine(j);
}
}