The use of readonly fields : readonly « Class Interface « C# / C Sharp

Home
C# / C Sharp
1.2D Graphics
2.Class Interface
3.Collections Data Structure
4.Components
5.Data Types
6.Database ADO.net
7.Date Time
8.Design Patterns
9.Development Class
10.Event
11.File Stream
12.Generics
13.GUI Windows Form
14.Internationalization I18N
15.Language Basics
16.LINQ
17.Network
18.Office
19.Reflection
20.Regular Expressions
21.Security
22.Services Event
23.Thread
24.Web Services
25.Windows
26.Windows Presentation Foundation
27.XML
28.XML LINQ
C# Book
C# / C Sharp by API
C# / CSharp Tutorial
C# / CSharp Open Source
C# / C Sharp » Class Interface » readonlyScreenshots 
The use of readonly fields
The use of readonly fields

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

Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example6_3.cs illustrates the use of readonly fields
*/


// declare the Car class
class Car
{

  // declare a readonly field
  public readonly string make;

  // declare a static readonly field
  public static readonly int wheels = 4;

  // define a constructor
  public Car(string make)
  {
    System.Console.WriteLine("Creating a Car object");
    this.make = make;
  }

}


public class Example6_3
{

  public static void Main()
  {

    System.Console.WriteLine("Car.wheels = " + Car.wheels);
    // Car.wheels = 5;  // causes compilation error

    // create a Car object
    Car myCar = new Car("Toyota");

    System.Console.WriteLine("myCar.make = " + myCar.make);
    // myCar.make = "Porsche";  // causes compilation error

  }

}

           
       
Related examples in the same category
1.ReadOnly Fields
2.Demonstrate readonlyDemonstrate readonly
3.Readonly Property
java2s.com  |  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.