C# Sharp Exercises: Highest frequency character(s) in the words of a string
C# Sharp String: Exercise-66 with Solution
Write a C# Sharp program to calculate the highest frequency of the character(s) in the words of a given string.
Sample Data:
("aaaaaa") -> "a"
("Century of the said year") -> ""
("CPP Exercises”) -> "s, e, p"
Sample Solution:
C# Sharp Code:
using System;
using System.Linq;
namespace exercises
{
class Program
{
static void Main(string[] args)
{
string text = "aaaaaa";
Console.WriteLine("Original strings: " + text);
Console.WriteLine("Highest Frequency Character(s) in the said String: " + test(text));
text = "Century of the said year";
Console.WriteLine("\nOriginal strings: " + text);
Console.WriteLine("Highest Frequency Character(s) in the said String: " + test(text));
text = "CPP Exercises";
Console.WriteLine("\nOriginal strings: " + text);
Console.WriteLine("Highest Frequency Character(s) in the said String: " + test(text));
}
public static string test(string text)
{
var groups = text.Reverse().GroupBy(ch => ch).OrderByDescending(
el => el.Count());
int max_occurs = groups.First().Count();
if (max_occurs == 1) return "All unique characters";
return string.Join(", ", groups.TakeWhile(
el => el.Count() == max_occurs).Select(el => el.Key));
}
}
}
Sample Output:
Original strings: aaaaaa Highest Frequency Character(s) in the said String: a Original strings: Century of the said year Highest Frequency Character(s) in the said String: Original strings: CPP Exercises Highest Frequency Character(s) in the said String: s, e, P
Flowchart :

C# Sharp Code Editor:
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Previous C# Sharp Exercise: Find the century from a given year.
Next C# Sharp Exercise: Convert ASCII text to hexadecimal value as a string.
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