Caesar Cipher Encoder

// Caesar Cipher Encoder. Made by Ryan D. 2018
// (Currently only works with lower-case letters.)
package visual;
import java.util.*;
public class Main {
    static int shiftFac = 0;
    static String message = "";
    static String out = "";
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter the amount to shift:");
        shiftFac = Integer.parseInt(sc.nextLine());
        System.out.println("Enter the String:");
        message = sc.nextLine();
        char[] cmessage = message.toCharArray();
        for (char c: cmessage) {
            if(c!=' '&&c!='?'&&c!='!'&&c!='.'&&c!=',') {
                char shiftc = (char)(c + shiftFac);
                if (shiftc >= 123) {
                    shiftc = (char)(shiftc - 26);
                    out += shiftc;
                } else {
                    out += shiftc;
                }
            } else {
                out += c;
            }
        }
        System.out.println("New string: " + out);
    }
}