using System; public class Exercise4 { public static void Main() { string str; int i, wrd,l; Console.Write("\n\nCount the total number of words in a string :\n"); Console.Write("------------------------------------------------------\n"); Console.Write("Input the string : "); str = Console.ReadLine(); l = 0; wrd = 1; /* loop till end of string */ while (l <= str.Length - 1) { /* check whether the current character is white space or new line or tab character*/ if(str[l]==' ' || str[l]=='\n' || str[l]=='\t') { wrd++; } l++; } Console.Write("Total number of words in the string is : {0}\n", wrd); } }