illustrates some of the System.Object class methods : System Object Method : Development Class C# Source Code

    

/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/
/*
  Example7_6.cs illustrates some of the System.Object
  class methods
*/

using System;


// declare the Car class
class Car
{

  // declare the fields
  public string make;
  public string model;

  // define a constructor
  public Car(string make, string model)
  {
    this.make = make;
    this.model = model;
  }

  // define the Display() method
  public void Display()
  {
    Console.WriteLine("make = " + make);
    Console.WriteLine("model = " + model);
  }

  // define the Copy() method
  public static Car Copy(Car car)
  {
    // perform memberwise clone
    return (Car) car.MemberwiseClone();
  }

}


public class Example7_6
{

  public static void Main()
  {

    // create Car objects
    Console.WriteLine("Creating Car objects");
    Car myCar = new Car("Toyota", "MR2");
    Car myOtherCar = new Car("Porsche", "Boxter");
    Console.WriteLine("myCar details:");
    myCar.Display();
    Console.WriteLine("myOtherCar details:");
    myOtherCar.Display();

    // call some of the methods inherited from the System.Object class
    Console.WriteLine("myCar.ToString() = " + myCar.ToString());
    Console.WriteLine("myCar.GetType() = " + myCar.GetType());
    Console.WriteLine("myCar.GetHashCode() = " + myCar.GetHashCode());
    Console.WriteLine("Car.Equals(myCar, myOtherCar) = " +
      Car.Equals(myCar, myOtherCar));
    Console.WriteLine("Car.ReferenceEquals(myCar, myOtherCar) = " +
      Car.ReferenceEquals(myCar, myOtherCar));

    // set the myCar object reference equal to myOtherCar
    Console.WriteLine("Setting myCar equal to myOtherCar");
    myCar = myOtherCar;

    // check for equality
    Console.WriteLine("Car.Equals(myCar, myOtherCar) = " +
      Car.Equals(myCar, myOtherCar));
    Console.WriteLine("Car.ReferenceEquals(myCar, myOtherCar) = " +
      Car.ReferenceEquals(myCar, myOtherCar));

    // perform a memberwise clone of myCar using the Car.Copy() method
    Console.WriteLine("Performing a memberwise clone of myCar to myOldCar");
    Car myOldCar = Car.Copy(myCar);
    Console.WriteLine("myOldCar details:");
    myOldCar.Display();

  }

}