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Assume that class Derived inherits from class Base. Polymorphism means... O choosing to have Derived inherit from Base to reduce code duplication O making Base an interface so that it can be instantiated without executing a constructor using inheritance to increase coupling between Derived and Base O a variable of of type Derived can refer to an object of concrete type Base O a variable of type Base can refer to objects of different concrete types over time

Assume that class Derived inherits from class Base. Polymorphism means... O choosing to have Derived inherit from Base to reduce code duplication O making Base an interface so that it can be instantiated without executing a constructor using inheritance to increase coupling between Derived and Base O a variable of of type Derived can refer to an object of concrete type Base O a variable of type Base can refer to objects of different concrete types over time

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Assume that class Derived inherits from class Base. Polymorphism means... O choosing to have Derived inherit from Base to reduce code duplication O making Base an interface so that it can be instantiated without executing a constructor using inheritance to increase coupling between Derived and Base O a variable of of type Derived can refer to an object of concrete type Base O a variable of type Base can refer to objects of different concrete types over time
Transcribed Image Text:Assume that class Derived inherits from class Base. Polymorphism means... O choosing to have Derived inherit from Base to reduce code duplication O making Base an interface so that it can be instantiated without executing a constructor using inheritance to increase coupling between Derived and Base O a variable of of type Derived can refer to an object of concrete type Base O a variable of type Base can refer to objects of different concrete types over time
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