//Overload + operator to add two Box Objects
public static Box operator +(Box b, Box c)
{
Box box = new Box();
box.length = b.length + c.length;
box.breadth = b.breadth + c.breadth;
box.height = b.height + c.height;
return box;
}
private static void Main(string[] args)
{
#region Encapsulation
//Example 1
var newCustomer = new Customer();
newCustomer.CustomerCode = "123";
newCustomer.CustomerName = "Mayur";
//call only the add method instead of call Add(), Validate() and createdbobject
//Code is simplified
newCustomer.Add();
//Example 2
var newReservation = new Reservation();
newReservation.RoomNumber = "23";
newReservation.RoomType = "Suite";
newReservation.Duration = 2;
newReservation.ReserverRoom();
#endregion Encapsulation
#region Polymorphism
System.Collections.Generic.List<Shape> shapes = new System.Collections.Generic.List<Shape>();
shapes.Add(new Rectangle());
shapes.Add(new Circle());
foreach (Shape s in shapes)
{
s.Draw();
}
// Keep the console open in debug mode.
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
#endregion Polymorphism
#region OperatorOverloading
Box Box1 = new Box(); //Declare Box1 of type Box
Box Box2 = new Box(); //Declare Box2 of type Box
Box Box3 = new Box(); //Declare Box3 of type Box
Box Box4 = new Box(); //Declare Box4 of type Box
double volume = 0.0; //Store the volume of a box here
//box 1 specification
Box1.setLength(6.0);
Box1.setBreadth(7.0);
Box1.setHeight(5.0);
//box 2 specification
Box2.setLength(12.0);
Box2.setBreadth(13.0);
Box2.setHeight(10.0);
//displaying the Boxes using the overloaded ToString();
Console.WriteLine("Box 1: {0}", Box1.ToString());
Console.WriteLine("Box 2: {0}", Box2.ToString());
// volume of box 1
volume = Box1.getVolume();
Console.WriteLine("Volume of Box1 : {0}", volume);
// volume of box 2
volume = Box2.getVolume();
Console.WriteLine("Volume of Box2 : {0}", volume);
// Add two object as follows:
Box3 = Box1 + Box2;
Console.WriteLine("Box 3: {0}", Box3.ToString());
// volume of box 3
volume = Box3.getVolume();
Console.WriteLine("Volume of Box3 : {0}", volume);
//comparing the boxes
if (Box1 > Box2)
Console.WriteLine("Box1 is greater than Box2");
else
Console.WriteLine("Box1 is greater than Box2");
if (Box1 < Box2)
Console.WriteLine("Box1 is less than Box2");
else
Console.WriteLine("Box1 is not less than Box2");
if (Box1 >= Box2)
Console.WriteLine("Box1 is greater or equal to Box2");
else
Console.WriteLine("Box1 is not greater or equal to Box2");
if (Box1 <= Box2)
Console.WriteLine("Box1 is less or equal to Box2");
else
Console.WriteLine("Box1 is not less or equal to Box2");
if (Box1 != Box2)
Console.WriteLine("Box1 is not equal to Box2");
else
Console.WriteLine("Box1 is not greater or equal to Box2");
Box4 = Box3;
if (Box3.Equals(Box4))
Console.WriteLine("Box3 is equal to Box4");
else
Console.WriteLine("Box3 is not equal to Box4");
if (Box3 == Box4)
Console.WriteLine("Box3 is equal to Box4");
else
Console.WriteLine("Box3 is not equal to Box4");
Console.ReadKey();
#endregion OperatorOverloading
}
