Operator Overloading

// Write a prorram to print the sum of complex numbers


using System;

public struct Complex
{
    public int real;
    public int imaginary;

    public Complex(int real, int imaginary)
    {
        this.real = real;
        this.imaginary = imaginary;
    }

    // Declare which operator to overload (+), the types 
    // that can be added (two Complex objects), and the 
    // return type (Complex):
    public static Complex operator +(Complex c1, Complex c2)
    {
        return new Complex(c1.real + c2.real, c1.imaginary + c2.imaginary);
    }
    // Override the ToString method to display an complex number in the suitable format:
    public override string ToString()
    {
        return (String.Format("{0} + {1}i", real, imaginary));
    }

    public static void Main()
    {
        Complex num1 = new Complex(2, 3);
        Complex num2 = new Complex(3, 4);

        // Add two Complex objects (num1 and num2) through the
        // overloaded plus operator:
        Complex sum = num1 + num2;

        // Print the numbers and the sum using the overriden ToString method:
        Console.WriteLine("First complex number:  {0}", num1);
        Console.WriteLine("Second complex number: {0}", num2);
        Console.WriteLine("The sum of the two numbers: {0}", sum);
        Console.ReadKey();

    }
}