| 1. | Apart from CORBA, classes and interfaces support inheritance and abstract classes.
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| 2. | Inheriting from ProviderBase are the MembershipProvider and RoleProvider abstract classes.
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| 3. | Using an interface or an abstract class can prevent this side effect.
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| 4. | The Window class will implement a Window implementation ( WindowImp ) abstract class.
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| 5. | However, abstract classes and interfaces can be reused to implement certain patterns.
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| 6. | The provider model begins with the abstract class ProviderBase.
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| 7. | Abstract members are members of abstract classes that do not have any implementation.
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| 8. | A direct implementation packages the policy classes with service abstracts classes in one library.
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| 9. | Objects cannot be created from an abstract class; they can only be derived from.
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| 10. | The same abstract definition can be used as a common abstract class as the common interface.
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