How to swap neighbor characters in string? e.g. string “DEMO” would be: EDOM

Question

Ravi Vishwakarma · Answer

Following is the simple C# program to swap neighbor characters in a given string,and 
and 
using System;
using System.Text;
namespace HelloWorld
{
 class Program
 {
   static void Main(string[] args)
   {
     Console.WriteLine(Program.SwapNeighbourChar('DEMO'));  
     Console.ReadLine();      
   }
   public static string SwapNeighbourChar(string strToSwap)  
   {  
       char[] arrStr = strToSwap.ToCharArray();  
       StringBuilder strbuild = new StringBuilder();  
       for (int i = 0; i andlt;= arrStr.Length - 1; iand#43;and#43;)  
       {  
           if (i != arrStr.Length - 1)  
           {  
               strbuild.Append(arrStr[i and#43; 1]);  
           }  
           strbuild.Append(arrStr[i]);  
           i = i and#43; 1;  
       }  
       return strbuild.ToString();  
   } 
 }
}
Output: EDOM

forum

How to swap neighbor characters in string? e.g. string “DEMO” would be: EDOM

Ahnkar Misra

Can you answer this question?

1 Answers

Liked By