Concatenating strings

The + operator (discussed in Chapter 3, Introduction to C# Programming) is not the only way to perform string concatenation. The static method Concat of class string (Fig. 16.7) concatenates two strings and returns a new string containing the combined characters from both original strings. Line 16 appends the characters from string2 to the end of a copy of string1, using method Concat. The statement in line 16 does not modify the original strings.

Figure 16.7. Concat static method.

(This item is displayed on page 778 in the print version)

 1 // Fig. 16.7: SubConcatenation.cs
 2 // Demonstrating string class Concat method.
 3 using System;
 4
 5 class StringConcatenation
 6 {
 7 public static void Main()
 8 {
 9 string string1 = "Happy ";
10 string string2 = "Birthday";
11
12 Console.WriteLine( "string1 = "" + string1 + ""
" +
13 "string2 = "" + string2 + """ );
14 Console.WriteLine(
15 "
Result of string.Concat( string1, string2 ) = " +
16 string.Concat( string1, string2 ) );
17 Console.WriteLine( "string1 after concatenation = " + string1 );
18 } // end method Main
19 } // end class StringConcatenation
 
string1 = "Happy "
string2 = "Birthday"

Result of string.Concat( string1, string2 ) = Happy Birthday
string1 after concatenation = Happy

Miscellaneous string Methods

Preface

Index

    Introduction to Computers, the Internet and Visual C#

    Introduction to the Visual C# 2005 Express Edition IDE

    Introduction to C# Applications

    Introduction to Classes and Objects

    Control Statements: Part 1

    Control Statements: Part 2

    Methods: A Deeper Look

    Arrays

    Classes and Objects: A Deeper Look

    Object-Oriented Programming: Inheritance

    Polymorphism, Interfaces & Operator Overloading

    Exception Handling

    Graphical User Interface Concepts: Part 1

    Graphical User Interface Concepts: Part 2

    Multithreading

    Strings, Characters and Regular Expressions

    Graphics and Multimedia

    Files and Streams

    Extensible Markup Language (XML)

    Database, SQL and ADO.NET

    ASP.NET 2.0, Web Forms and Web Controls

    Web Services

    Networking: Streams-Based Sockets and Datagrams

    Searching and Sorting

    Data Structures

    Generics

    Collections

    Appendix A. Operator Precedence Chart

    Appendix B. Number Systems

    Appendix C. Using the Visual Studio 2005 Debugger

    Appendix D. ASCII Character Set

    Appendix E. Unicode®

    Appendix F. Introduction to XHTML: Part 1

    Appendix G. Introduction to XHTML: Part 2

    Appendix H. HTML/XHTML Special Characters

    Appendix I. HTML/XHTML Colors

    Appendix J. ATM Case Study Code

    Appendix K. UML 2: Additional Diagram Types

    Appendix L. Simple Types

    Index



    Visual C# How to Program
    Visual C# 2005 How to Program (2nd Edition)
    ISBN: 0131525239
    EAN: 2147483647
    Year: 2004
    Pages: 600

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