Java Methods Chapter
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Questions and Answers

What is the purpose of the dot (.) in Java?

  • To inherit properties from a superclass
  • To call a method
  • To declare a new class
  • To access the object's attributes and methods (correct)

    • What is the keyword used to indicate inheritance in Java?

  • Extends (correct)
  • Parent
  • Super
  • Inherit

    • What is the name given to the class that is being inherited from?

  • Superclass (correct)
  • Subclass
  • Child class
  • Parent class

    • What is the result of calling a method in Java?

    <p>Performing a certain action</p> Signup and view all the answers

    What is the main concept behind inheritance in Java?

    <p>To increase the functionality</p> Signup and view all the answers

    How many types of inheritance are possible in Java based on class?

    <p>3</p> Signup and view all the answers

    What is the primary reason why polymorphism in Java allows for the reuse of code?

    <p>Because it enables objects to share a common interface without needing to know their specific details</p> Signup and view all the answers

    What is the term for when two or more classes inherit a single class in Java?

    <p>Hierarchical inheritance</p> Signup and view all the answers

    What is the primary challenge associated with polymorphism in Java?

    <p>It adds complexity to the code</p> Signup and view all the answers

    What is the term for when a class inherits another class in Java?

    <p>Single inheritance</p> Signup and view all the answers

    What is the benefit of polymorphism in Java that makes programs easier to maintain and extend?

    <p>It allows for the reuse of code</p> Signup and view all the answers

    What is the term for when there is a chain of inheritance in Java?

    <p>Multilevel inheritance</p> Signup and view all the answers

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