Fixed some issues, and made things readible from File.

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

@@ -1,5 +1,84 @@
 package me.zacharias.bank;
 
-public class Main {
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
 
+import java.io.Console;
+import java.io.File;
+import java.util.UUID;
+
+import static me.zacharias.bank.Utils.*;
+
+public class Main {
+    User user;
+
+    static Gson gson;
+
+    static {
+        GsonBuilder gsonBuilder = new GsonBuilder();
+        //gsonBuilder.registerTypeAdapter(Account.class, new AccountAdapter());
+
+        gson = gsonBuilder.create();
+    }
+
+    public static void main(String[] args) {
+        String user = SHA256("zacharias");
+        File userFile = new File("./users/" + user + ".json");
+
+        if(!userFile.exists()) {
+
+            User u = new User("zacharias");
+            u.createAccount("Konto", 0.0);
+            Account a = u.getAccount("Konto");
+            a.DepositTransaction(104, "Spawnar pängar", UUID.randomUUID());
+
+            String json = gson.toJson(u);
+            try {
+                WriteFile(userFile, Encrypt(json, "pass"));
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+        }
+
+        new Main();
+    }
+
+    public Main() {
+
+        Console console = System.console();
+
+        if(console == null) {
+            System.out.println("No console.");
+            //return;
+        }
+
+        String name = "zacharias";//console.readLine("Enter your name: ");
+
+        String userHash = SHA256(name);
+
+        File userFile = new File("./users/" + userHash + ".json");
+
+        if(!userFile.exists()) {
+            System.out.println("User does not exist");
+            return;
+        }
+
+        String password = "pass";//new String(console.readPassword("Enter your password: "));
+
+        String userData;
+
+        try {
+            userData = Decrypt(ReadFile(userFile), password);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+
+        System.out.println(userData);
+
+        user = gson.fromJson(userData, User.class);
+
+        Account a = user.getAccount("Konto");
+        System.out.println(a.getClass().getSimpleName());
+        System.out.println(a.getBalance());
+    }
 }