public static distance operator +(distance D1, distance D2)
{
distance D3 = new distance();
D3.meters = D1.meters + D2.meters;
return(D3);
}
public static void polymorphism()
{
/* 1. Static Polymorphism
* -1.1 Method Overloading
* -1.2 Operator Overloading
* -1.2.1 Unary Operators
* -1.2.2 Binary Operators
* -1.2.3 Comparison Operators
* 2. Dynamic Polymorphism
* -2.1 Virtual method
* -2.2 Abstract method
*/
//1.1 Method Overloading
distance Distance1 = new distance();
distance Distance2 = new distance(5); //the constructor method is overloaded
//-1.2.1 Unary Operators
distance Distance3 = Distance1++;
Console.WriteLine("The Distance incremented is {0}", Distance3.meters);
//-1.2.2 Binary Operators
distance Distance4 = Distance2 + Distance3;
Console.WriteLine("The sum of distance 1 and 2 is {0}", Distance4.meters);
//-1.2.3 Comparison Operators
bool flag = Distance2 > Distance3;
//-2.1 Virtual method
figure figure1 = new circle();
Console.WriteLine("the area from the override method is {0}", figure1.getArea());
//-2.2 Abstract method
vehicle Vehicle = new bike();
Console.WriteLine("the ringzise is {0}", Vehicle.ringsize());
}