Passing Parameters by Value : ref « Language Basics « C# / CSharp Tutorial

Home
C# / CSharp Tutorial
1.Language Basics
2.Data Type
3.Operator
4.Statement
5.String
6.struct
7.Class
8.Operator Overload
9.delegate
10.Attribute
11.Data Structure
12.Assembly
13.Date Time
14.Development
15.File Directory Stream
16.Preprocessing Directives
17.Regular Expression
18.Generic
19.Reflection
20.Thread
21.I18N Internationalization
22.LINQ
23.GUI Windows Forms
24.Windows Presentation Foundation
25.Windows Communication Foundation
26.Workflow
27.2D
28.Design Patterns
29.Windows
30.XML
31.XML LINQ
32.ADO.Net
33.Network
34.Directory Services
35.Security
36.unsafe
C# / C Sharp
C# / C Sharp by API
C# / CSharp Open Source
C# / CSharp Tutorial » Language Basics » ref 
1.11.8.Passing Parameters by Value
public class Swapper {
    public void Swap(int x, int y) {
        System.Console.WriteLine("In Swap(): initial x = " + x + ", y = " + y);

        int temp = x;
        x = y;
        y = temp;

        System.Console.WriteLine("In Swap(): final   x = " + x + ", y = " + y);
    }
}


class MainClass {

    public static void Main() {

        int x = 2;
        int y = 5;

        System.Console.WriteLine("In Main(): initial x = " + x + ", y = " + y);

        Swapper mySwapper = new Swapper();

        mySwapper.Swap(x, y);

        System.Console.WriteLine("In Main(): final   x = " + x + ", y = " + y);

    }

}
1.11.ref
1.11.1.Use ref to pass a value type by reference
1.11.2.Swap two values
1.11.3.Swap two references.
1.11.4.Use out for reference type
1.11.5.Use ref for int value
1.11.6.Use ref for reference type
1.11.7.Change string using ref keyword
1.11.8.Passing Parameters by Value
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.