C# Program to Reverse a String without using Reverse Function

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This is a C# Program to reverse a string without using reverse function.

Problem Description

This C# Program Reverses a String without using Reverse function.

Problem Solution

Here the string is reversed by changing the postion of charters from right to left one by one.

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Program/Source Code

Here is source code of the C# Program to Reverse a String without using Reverse function. The C# program is successfully compiled and executed with Microsoft Visual Studio. The program output is also shown below.

/*
 * C# Program to Reverse a String without using Reverse function
 */
using System;
class Program
{
    static void Main(string[] args)
    {
        string Str, reversestring = "";
        int Length;
        Console.Write("Enter A String : ");
        Str = Console.ReadLine();
        Length = Str.Length - 1;
        while (Length >= 0)
        {
            reversestring = reversestring + Str[Length];
            Length--;
        }
        Console.WriteLine("Reverse  String  Is  {0}", reversestring);
        Console.ReadLine();
    }
}
Program Explanation

In this C# program, we are reading a string using ‘str’ variable. Using while loop the string is reversed by changing the position of characters from right to left one by one. The iteration of the loop will continue till the condition becomes false.

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Runtime Test Cases
 
Enter a String : sanfoundry
Reverse String is : yrdnuofnas

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn | Youtube | Instagram | Facebook | Twitter