First of all String is of reference type so, it is stored on the heap rather than on a stack. So whenever you assign a string variable to another string variable then it means you are creating two references of same string.
Lets take a look on following example:
/* This Example is a part of different * examples shown in Book: * C#2005 Beginners: A Step Ahead * Written by: Gaurav Arora * Reach at : gaurav.aroraose@yahoo.co.in*/
// File name : stringCS.cs
using System;
namespace CSharp.AStepAhead.stringCS {
class stringCS { static void Main() { string str = "This is example shows the various string features "; string str1 = "This is first String"; string str2 = "This is second String"; string str3; Console.WriteLine("{0}\n", str); Console.WriteLine("This is string str1 :{0}\n", str1); Console.WriteLine("This is string str2 :{0}\n", str2); str3 = str1 + str2; Console.WriteLine("String Concatenation : {0}", str3); Console.WriteLine("str1 has {0}characters", str1.Length); str="s"; str3 = "ESS"; string res;
if (str1.Contains(str) == true) res = "Yes"; else res = "No"; Console.WriteLine("Does str1 contains \'{0}\':{1}", str,res); Console.WriteLine("Str2 in upper case {0}", str2.ToUpper()); Console.WriteLine("Str1 in lower case {0}", str1.ToLower()); Console.WriteLine("In Str1 character \'{0}\' is replaced by character \'{1}\' : \nnow str1 = {2}", str,str3, str1.Replace(str, str3));
} } }
Hope the above tiny article elaborate the Title.
For more details, visit http://www.msdotnetheaven.com/ChaptersCsharp/csharplanguagei.htm
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