Finished and tweaked

Crypto/src/main/java/ROT13.java

     private String alphbet = "abcdefghijklmnopqrstuvwxyz";
     private char[] alphChars = alphbet.toCharArray();
 
-
-
     ROT13(Character cs, Character cf) {
         rotateBy = numbersByCount(cs, cf);
-        rotatedAlphbet = rotate("abcdefghijklmnopqrstuvwxyz").toCharArray();
+        rotatedAlphbet = rotate("abcdefghijklmnopqrstuvwxyz", cf).toCharArray();
     }
 
     ROT13() {
         rotateBy = 13;
-        rotatedAlphbet = rotate("abcdefghijklmnopqrstuvwxyz").toCharArray();
+        rotatedAlphbet = rotate("abcdefghijklmnopqrstuvwxyz", 'n').toCharArray();
     }
 
     public static int numbersByCount(Character cs, Character cf){
     }
 
     public static void main(String[] args){
-        ROT13 rot13 = new ROT13('a', 'm');
-        System.out.println(rot13.rotateBy);
+        ROT13 rot13 = new ROT13('a', 'b');
         rot13.encryptFile("sonnet18.txt");
         rot13.decryptFile("sonnet18.enc");
     }
     public String crypt(String text) throws UnsupportedOperationException {
         char[] cars = text.toCharArray();
         StringBuilder sb =  new StringBuilder();
-
         for(char car: cars){
             if(Character.isLetter(car)){
                 sb.append(this.rotate(this.alphbet, car).toCharArray()[rotateBy]);
                 sb.append(car);
             }
         }
-
         return sb.toString();
-
     }
 
     public String encrypt(String text) {
     public String decrypt(String text) {
         char[] cars = text.toCharArray();
         StringBuilder sb =  new StringBuilder();
-
         for(char car: cars){
             if(Character.isLetter(car)){
                 sb.append(this.rotate(this.alphbet, car).toCharArray()[this.alphChars.length - rotateBy]);
                 sb.append(car);
             }
         }
-
         return sb.toString();
-
-    }
-
-    public String rotate(String s) {
-        char[] cars = s.toCharArray();
-
-        int looper = rotateBy;
-        char temp;
-        while(looper != 0){
-            temp = cars[0];
-            for(int i = 0; i < cars.length -1; i++){
-                cars[i] = cars[i +1];
-            }
-            cars[cars.length -1] = temp;
-            looper--;
-        }
-        return new String(cars);
     }
 
     public String rotate(String s, Character c) {

sonnet18.enc

-Etmxx U oaybmdq ftqq fa m egyyqd’e pmk?
-Ftag mdf yadq xahqxk mzp yadq fqybqdmfq:
-Dagst iuzpe pa etmwq ftq pmdxuzs ngpe ar Ymk,
-Mzp egyyqd’e xqmeq tmft mxx faa etadf m pmfq;
-Eayqfuyq faa taf ftq qkq ar tqmhqz etuzqe,
-Mzp arfqz ue tue saxp oaybxqjuaz puyy'p;
-Mzp qhqdk rmud rday rmud eayqfuyq pqoxuzqe,
-Nk otmzoq ad zmfgdq’e otmzsuzs oagdeq gzfduyy'p;
-Ngf ftk qfqdzmx egyyqd etmxx zaf rmpq,
-Zad xaeq baeeqeeuaz ar ftmf rmud ftag ai’ef;
-Zad etmxx pqmft ndms ftag imzpqd’ef uz tue etmpq,
-Itqz uz qfqdzmx xuzqe fa fuyq ftag sdai’ef:
-   Ea xazs me yqz omz ndqmftq ad qkqe omz eqq,
-   Ea xazs xuhqe ftue, mzp ftue suhqe xurq fa ftqq.
+Tibmm J dpnqbsf uiff up b tvnnfs’t ebz?
+Uipv bsu npsf mpwfmz boe npsf ufnqfsbuf:
+Spvhi xjoet ep tiblf uif ebsmjoh cvet pg Nbz,
+Boe tvnnfs’t mfbtf ibui bmm upp tipsu b ebuf;
+Tpnfujnf upp ipu uif fzf pg ifbwfo tijoft,
+Boe pgufo jt ijt hpme dpnqmfyjpo ejnn'e;
+Boe fwfsz gbjs gspn gbjs tpnfujnf efdmjoft,
+Cz dibodf ps obuvsf’t dibohjoh dpvstf vousjnn'e;
+Cvu uiz fufsobm tvnnfs tibmm opu gbef,
+Ops mptf qpttfttjpo pg uibu gbjs uipv px’tu;
+Ops tibmm efbui csbh uipv xboefs’tu jo ijt tibef,
+Xifo jo fufsobm mjoft up ujnf uipv hspx’tu:
+   Tp mpoh bt nfo dbo csfbuif ps fzft dbo tff,
+   Tp mpoh mjwft uijt, boe uijt hjwft mjgf up uiff.