```
public class BillableUser
extends Object
```
User representation Example 3.2. Assign groups to constraints.

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`BillableCreditCard`	`getDefaultCreditCard()`
`String`	`getFirstname()`
`String`	`getLastname()`
`void`	`setDefaultCreditCard(BillableCreditCard defaultCreditCard)`
`void`	`setFirstname(String firstname)`
`void`	`setLastname(String lastname)`

public void setFirstname(String firstname)

public void setLastname(String lastname)

public BillableCreditCard getDefaultCreditCard()

public void setDefaultCreditCard(BillableCreditCard defaultCreditCard)

Class BillableUser