In this example,I’ll show you How to make Make lower case upper and upper case lower in a string in C#.
C# Code:
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static void Main(string[] args) { Console.Write("Word : "); string word =Console.ReadLine(); string output = ""; foreach (char c in word) { if (Char.IsUpper(c)) output += Char.ToLower(c); else output += Char.ToUpper(c); } Console.WriteLine("Output: "+output); Console.ReadLine(); } |
