/// <summary>
/// Saves all the content of library the corresponding files
/// </summary>
public void saveContent()
{
JsonManager.save(Person.FILE, people);
JsonManager.save(Transaction.FILE, transactions);
JsonManager.save(Hotel.FILE, hotel);
}
/// <summary>
/// Loads all the library content to the corresponding files
/// </summary>
private void loadContent()
{
people = (List <Person>)JsonManager.load <List <Person> >(Person.FILE);
transactions = (List <Transaction>)JsonManager.load <List <Transaction> >(Transaction.FILE);
hotel = (Hotel)JsonManager.load <Hotel>(Hotel.FILE);
}