lowercase to uppercase

PHOTO

Wed Oct 29 2025 18:25:51 GMT+0000 (Coordinated Universal Time)

Saved by @final

using System;
using System.Linq;

class Program {
    static void Main() {
        string s = Console.ReadLine();
        Console.WriteLine(new string(s.Select(c =>
            char.IsLower(c) ? char.ToUpper(c) : char.ToLower(c)).ToArray()));
    }
}

Save snippets that work from anywhere online with our extensions

Available in the Chrome Web Store

Get Firefox Add-on

Get VS Code extension

Comments

More like this

VP Lab

@final

number is prime Fibonacci series up to n terms string is a palindrome reverse a number sum of digits of a number number of vowels in a string string manipulation using methods of both StringBuilder and String classes split a substring from a given string count the odd numbers in the given number maximum occurring character in a given string smallest digit for a given value Delegates Employee Smtp Mail lowercase to uppercase interface inheritance using explicit interface delegates Email Match Private Assembly registration page windows form that can use HTTP master page concept to display the college information

Browse more snippets >>