Inheritance in Object-Oriented Programming
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Questions and Answers

What are the advantages of Inheritance?

  • Method overloading and method overriding
  • Method hiding and method overriding
  • Code reusability and method overriding (correct)
  • Code reusability and method hiding
  • What is the Super keyword used for in Java?

  • To access the parent class’s variables, methods, and constructors (correct)
  • To override methods in the subclass
  • To define a new class from an existing class
  • To implement single inheritance
  • What is the difference between single inheritance and hierarchical inheritance?

  • Single inheritance allows a subclass to have only one superclass, while hierarchical inheritance allows a superclass to have multiple subclasses (correct)
  • Single inheritance allows a subclass to have multiple superclasses, while hierarchical inheritance allows a superclass to have only one subclass
  • Single inheritance allows a superclass to have multiple subclasses, while hierarchical inheritance allows a subclass to have only one superclass
  • Single inheritance allows a subclass to have multiple superclasses, while hierarchical inheritance allows a superclass to have multiple subclasses
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