A Programmer's Guide to C# 5.0, 4th Edition

CHAPTER 19

Strings

All strings in C# are instances of the System.String type in the Common Language Runtime. Because of this, there are many built-in operations available that work with strings. For example, the String class defines an indexer function that can be used to iterate over the characters of the string.

using System;class Test{    public static void Main()    {       string s = "Test String";       for (int index = 0; index < s.Length; index++)       {            Console.WriteLine("Char: {0}", s[index]);       }    }}

Operations

The string class is an example of an immutable type, which means that the characters contained in the string ...