// Go
type User struct {
  Username string
  password string
}

func (u User) GetPassword() string{
  return u.secretPassword()
}

func (u User) secretPassword() string {
  return u.password
}

func main(){
  user := User{"username", "password"}
  fmt.Println("username: " + user.Username)
  fmt.Println("password: " + user.GetPassword())
}