public static void Main()
{
CMyMathClass objCMyMathClass = new CMyMathClass();
IMyMath objIMyMath = (IMyMath)objCMyMathClass;
int num1 = 75, num2 = 25, sum, sub;
sum = objIMyMath.SumOfTwoIntegers(num1, num2);
Console.WriteLine("Sum Of " + num1 + " And " + num2 + " Is " + sum);
sub = objIMyMath.SubtractionOfTwoIntegers(num1, num2);
Console.WriteLine("Subtraction Of " + num1 + " And " + num2 + " Is " + sub);
}
public static void Main()
{
CMyMathClass objCMyMathClass = new CMyMathClass();
IMyMath objIMyMath = (IMyMath)objCMyMathClass; //explicit typecast
int num1 = 21, num2 = 11, sum, sub;
sum = objIMyMath.SumOfTwoIntegers(num1, num2);
Console.WriteLine("Sum Of " + num1 + " And" + num2 + "Is: " + sum);
sub = objIMyMath.SubtractionOfTwoIntegers(num1, num2);
Console.WriteLine("Subtraction Of " + num1 + " And" + num2 + "Is: " + sub);
}
public static void Main()
{
CMyMathClass obj = new CMyMathClass();
IMyMath objIMyMath = (IMyMath)obj;
int num1 = 75, num2 = 45, sum, sub;
sum = objIMyMath.SumOfTwoIntegers(num1, num2);
Console.WriteLine("Sum of " + num1 + "and " + num2 + "is " + sum);
sub = objIMyMath.SubtractionOfTwoIntegers(num1, num2);
Console.WriteLine("Subtraction of " + num1 + "and " + num2 + "is " + sub);
Console.ReadLine();
}