C# Question
Adding strings to a list in C# one at a time
I'm fairly new at C# as a language so this is a fairly basic/simple problem that I've encountered. I don't quite know how to add each one of these letters into a list to present them all in a line at the end. For example, there's an 'IF/ELSE' statement but both produce a letter at the end. Here is my code so far, I would appreciate any help/input (please note, I started learning the language 2 days ago!)
using System;
namespace caesarCipher
{
class Program
{
static void Main(string[] args)
{
string text;
Console.WriteLine("Enter the text to encrypt ");
text = System.Convert.ToString(Console.ReadLine());
string lower = text.ToLower();
Random rnd = new Random();
int shift = rnd.Next(1, 25);
foreach (char c in lower)
{
int unicode = c;
int shiftUnicode = unicode + shift;
Console.WriteLine(shiftUnicode);
if (shiftUnicode >= 123)
{
int overflowUnicode = 97 + (shiftUnicode - 123);
char character = (char)overflowUnicode;
string newText = character.ToString();
}
else
{
char character = (char)shiftUnicode;
string newText = character.ToString();
}
}
Console.ReadLine();
}
}
}
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Answer Source
You need to keep in memory each character you have 'encrypted' and just when you exit from the loop you can build the new 'encrypted' string
....
List<char> newChars = new List<char>();
foreach (char c in lower)
{
int unicode = c;
int shiftUnicode = unicode + shift;
//Console.WriteLine(shiftUnicode);
if (shiftUnicode >= 123)
{
int overflowUnicode = 97 + (shiftUnicode - 123);
char character = (char)overflowUnicode;
newChars.Add(character);
}
else
{
char character = (char)shiftUnicode;
newChars.Add(character);
}
}
string newString = new string(newChars.ToArray());
Console.WriteLine(newString);
....
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