Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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When might the multiple inheritance phenomena result in ambiguity? How can we fix this issue? What precisely are virtual base classes? What precisely is their significance?
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- Explain the difference between the private inheritance and public inheritance.arrow_forwardDiscuss the challenges and best practices of method overriding in the context of inheritance hierarchies with multiple levels. How can potential issues like ambiguity and unintended behavior be addressed?arrow_forwardWhat is Polymorphism? Explain its relation to Inheritance and Generic Programming.arrow_forward
- solve the question As required a.Explain why inheritance is not always the best way to implement class generalizations. b. Draw a class diagram representing the relationships between the servers and customers in arestaurant.arrow_forwardObject Oriented Programming (Java): True or False Statements with one line reasoning: 1. The implementation of inheritance always involves writing a few less lines. 2. The following class declaration is incorrect: public final class Class extends OtherClass {...} 3. Inheritance is only useful if specialization is used. In fact, specializing we inherit in the subclass (or subclasses) members of the superclass that we must not rewrite. Instead with the generalization we create an extra class, and then we write more code. 4. The super keyword allows you to call superclass methods and constructors. The keyword this allows you to call methods and constructors of the same class. 5. Multiple inheritance does not exist in Java because it does not exist in reality.arrow_forwardDiscuss the concept of multiple inheritance through interfaces and its advantages compared to multiple inheritance through classes.arrow_forward
- When can the occurrence of dual inheritance lead to uncertainty? Is there any way to fix this issue? Just what are virtual base classes? Where does their value lie, exactly?arrow_forwardGeneralization ? Select one: a. In object-oriented languages, is implemented using inheritance b. Enforce to learn the detailed characteristics of every entity c. Generalized classes do not have common characteristics d. Attributes and operations associated with higher-level classes are not associated with the lower-level classes Clear my choicearrow_forwardHow are base class members inherited via public inheritance? Explain.arrow_forward
- Discuss polymorphism with inheritance in Python. Please make sure that your original example of polymorphism with inheritance in Python includes at least one superclass and at least two subclasses.arrow_forwardragile base class (FBC) is an architectural problem of object-oriented systems where base classes are considered "fragile" because minor changes to the base classes breaks many of the subclasses. We can argue that base classes and sub-classes are tightly coupled due to inheritance, and therefore, the problem is foundmental in whitw-box reuse (inheritance). Based on your understanding of how inheirtance works in Java, discuss at lease one poor practice that introduces the FBC problem and therefore, how we can avoid or minimize the problem. Your discussion does not have to be "perfect", but it must be yours.arrow_forwardWhy do we bother establishing cross-class inheritance relationships?arrow_forward
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