Display a string in reverse by using recursion

  
/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/


// Display a string in reverse by using recursion. 
 
using System; 
  
class RevStr { 
 
  // Display a string backwards. 
  public void displayRev(string str) { 
    if(str.Length > 0)  
      displayRev(str.Substring(1, str.Length-1)); 
    else  
      return; 
 
    Console.Write(str[0]); 
  } 
} 
 
public class RevStrDemo { 
  public static void Main() {   
    string s = "this is a test"; 
    RevStr rsOb = new RevStr(); 
 
    Console.WriteLine("Original string: " + s); 
 
    Console.Write("Reversed string: "); 
    rsOb.displayRev(s); 
 
    Console.WriteLine(); 
  } 
}

Related examples in the same category

1.	Is Palindrome
2.	create some strings
3.	use the Concat() method to concatenate strings
4.	use the addition operator (+) to concatenate strings
5.	use the Copy() method to copy a string
6.	use the Join() method to join strings
7.	use the StartsWith() and EndsWith() methods to check if a string contains a specified substring at the start and end
8.	use the Substring() method to retrieve substrings
9.	use the Trim(), TrimStart(), and TrimEnd() methods to trim strings
10.	use the PadLeft() and PadRight() methods to align strings
11.	Decoding a Base64-encoded Binary
12.	From Base 64 Decode String
13.	Using Strings
14.	Creating Strings
15.	string: Changing Characters
16.	Removing Characters
17.	Padding Strings
18.	Joining Strings
19.	Extracting Substrings
20.	String Concatenation 2
21.	Substring demo
22.	Trimming String Spaces
23.	Introduce string
24.	Some string operations
25.	Display the digits of an integer using words
26.	Use Substring() 1
27.	A string can control a switch statement
28.	Illustrates the use of strings 1
29.	String Manipulation
30.	String Manipulation Concatenate
31.	String copy
32.	String Copy, End With and Insert
33.	Demonstrate escape sequences in strings.
34.	Demonstrate verbatim literal strings
35.	Demonstrate Concat()
36.	Demonstrate Concat() 2
37.	Trimming and padding
38.	Use Substring() 2
39.	Strings: Regular Expressions
40.	String Interning
41.	Lexical Details

Display a string in reverse by using recursion : String « Data Types « C# / C Sharp

Related examples in the same category