UserDao (app API)

```
public interface UserDao
```
Data access object for User entity (this app only has one user)

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  User getFirstUser()
  
  void insertUser(User newUser)
  
  void updateUser(User updateUser)

Method Detail

getFirstUser
```
User getFirstUser()
```

updateUser
```
void updateUser(User updateUser)
```

insertUser
```
void insertUser(User newUser)
```