Started implumenting a GUI for the program.

src/main/java/me/zacharias/bank/Utils.java

@@ -1,5 +1,8 @@
 package me.zacharias.bank;
 
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
 import javax.crypto.Cipher;
 import javax.crypto.SecretKey;
 import javax.crypto.SecretKeyFactory;
@@ -14,6 +17,22 @@ import java.security.SecureRandom;
 import java.util.Base64;
 
 public class Utils {
+    
+    public static final Gson gson;
+    
+    static {
+        GsonBuilder gsonBuilder = new GsonBuilder();
+        //gsonBuilder.registerTypeAdapter(Account.class, new AccountAdapter());
+        
+        gson = gsonBuilder.create();
+        
+        File users = new File("./users");
+        
+        if(!users.exists()) {
+            users.mkdir();
+        }
+    }
+    
     public static String SHA256(String input) {
         MessageDigest sha256 = null;
         try {