CaesarCipher

gistfile1.txt

import java.util.*;

public class CaesarCipher
{

    String message; 
    int key;
    Scanner sc = new Scanner(System.in);
    String encoded = "";
    char c;

    public CaesarCipher(){
        System.out.println("Please enter the message to be encrypted.");   
        getMessage();
        encryptMessage(message);

    } 

    public void getMessage(){
        message = sc.nextLine();
        System.out.println("How much would you like to shift the message?");
        key = sc.nextInt();

    }
    //A = 65
    //a = 97
    public void encryptMessage(String input){

        for(int i = 0; i < input.length(); i++){
            c = input.charAt(i);
            if((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')){
                c = (char)(c + key);
                if((c > 'Z' && c < 'a') || c > 'z'){
                    c = (char)(c - 26);
                }
                encoded += c;
            }else{
                encoded += c;
            }
        }

        System.out.println(encoded);
    }
}