Mega Code Archive
Illustrates versioning
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/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy
Publisher: Sybex;
ISBN: 0782129110
*/
/*
Example7_5.cs illustrates versioning
*/
using System;
// declare the MotorVehicle class
class MotorVehicle
{
// declare the fields
public string make;
public string model;
// define a constructor
public MotorVehicle(string make, string model)
{
this.make = make;
this.model = model;
}
// define the Accelerate() method
public virtual void Accelerate()
{
Console.WriteLine("In MotorVehicle Accelerate() method");
Console.WriteLine(model + " accelerating");
}
}
// declare the Car class (derived from MotorVehicle)
class Car : MotorVehicle
{
// define a constructor
public Car(string make, string model) :
base(make, model)
{
// do nothing
}
// define the Accelerate() method (uses the new keyword to
// tell the compiler a new method is to be defined)
public new void Accelerate()
{
Console.WriteLine("In Car Accelerate() method");
Console.WriteLine(model + " accelerating");
}
}
public class Example7_5
{
public static void Main()
{
// create a Car object
Console.WriteLine("Creating a Car object");
Car myCar = new Car("Toyota", "MR2");
// call the Car object's Accelerate() method
Console.WriteLine("Calling myCar.Accelerate()");
myCar.Accelerate();
}
}
]]>