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CSC245B Lab 5 - Prelab Concepts Review
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CSC245B Lab 5 - Prelab Concepts Review

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Questions and Answers

What is the main focus of Part 1 of the lab?

  • Understanding overloading and overriding
  • Reviewing polymorphism (correct)
  • Solving exercises related to polymorphism
  • Discussing compile-time vs. runtime types

    • Which type is determined at compile time in Java?

  • Static type (correct)
  • Polymorphic type
  • Runtime type
  • Dynamic type

    • How is overloading resolved in Java?

  • At runtime
  • Compiler error
  • Based on the reference type
  • At compile time (correct)

    • Which Java concept allows a subclass to provide a specific implementation of a method that is already provided by its superclass?

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

    In Java, what term refers to the process of treating an object as an instance of its subclass?

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

    Which Java term describes the ability of objects of different classes to be treated as objects of a common superclass?

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

    What happens if you attempt to override a method in Java with a different return type?

    <p>The code will not compile</p> Signup and view all the answers

    'Compile-time vs. runtime types' mainly refers to the determination of types during which phases?

    <p>'Compile-time vs. run-time types' are determined at compile time and runtime respectively.</p> Signup and view all the answers

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