| Attribute | Permitted Access |
| No access attribute | Accessible from methods in any class in the same package |
| public | Anywhere as long as the class has been declared as public |
| private | Accessible from methods inside the class |
| protected | Accessible from methods in the same package and from any subclass |
| 5.25.Access Control | ||||
| 5.25.1. | Access Control: four access control modifiers | |||
| 5.25.2. | Class Access Control Modifiers | |||
| 5.25.3. | Using Access Attributes | |||
| 5.25.4. | Class Member Access Matrix | |||
| 5.25.5. | Specifying Access Attributes | |||
| 5.25.6. | The public Book class | |||
| 5.25.7. | Default access level | |||
| 5.25.8. | Class Member Access Control Modifiers | |||
| 5.25.9. | Composition with public objects | |||
| 5.25.10. | The protected keyword | |||
| 5.25.11. | Private Override | |||
| 5.25.12. | Understand the effects of public and private access | |||
| 5.25.13. | In a class hierarchy, private members remain private to their class. | |||
| 5.25.14. | A Superclass Variable Can Reference a Subclass Object | |||
| 5.25.15. | Create a Singleton Object | |||