문자열 거꾸로 하기 with C#

 

/*
 *  Filename: testStringReverse.cs
 *
 *  Compile: csc testStringReverse.cs
 *  Execute: testStringReverse
 */

using System;

public class StringReverseApp {
    public static void Main(string[] args) {
        string a, b;
        a = "Hello, world!";
        b = "안녕하세요?";
        char[] arr = a.ToCharArray();
        Array.Reverse(arr);
        Console.WriteLine(new String(arr));
        arr = b.ToCharArray();
        Array.Reverse(arr);
        Console.WriteLine(new String(arr));
    }
}
/*
Expected result:
!dlrow ,olleH
?요세하녕안
*/