Edits

src/main/java/com/ricy/CodeCracker.java

@@ -32,14 +32,9 @@ public class CodeCracker {
             if (subtextMap.getLeft().equals(phraseMap.getLeft())) {
                 System.out.println("Found!");
 
-                HashBiMap<Character, Integer> numKey = phraseMap.getRight();
-                numKey.put('Q', 25); // Q is not in the phrase
-                HashBiMap<Character, Integer> subtextKey = subtextMap.getRight();
-                subtextKey.put('M', 25); // M isn't in the corresponding part of ciphertext
-
                 HashBiMap<Character, Character> key = HashBiMap.create();
                 for (int num = 0; num < 26; num++) {
-                    key.put(subtextKey.inverse().get(num), numKey.inverse().get(num));
+                    key.put(subtextMap.getRight().inverse().get(num), phraseMap.getRight().inverse().get(num));
                 }
 
                 ArrayList<String> plaintext = new ArrayList<>();