C++ Polymorphism and Types of Polymorphism
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Questions and Answers

What is the meaning of polymorphism?

  • It means 'static binding'
  • It means 'single form'
  • It means 'dynamic binding'
  • It means 'many forms' (correct)
  • Which type of polymorphism is also known as static or early binding polymorphism?

  • Compile-time polymorphism (correct)
  • Late binding polymorphism
  • Runtime polymorphism
  • Dynamic polymorphism
  • What is function overloading in C++?

  • Using the same function name with the same parameters
  • Using multiple functions with different names
  • Using the same function name with different parameters (correct)
  • Using the same function name with different return types
  • Why is function overloading useful in object-oriented programming?

    <p>It simplifies the program structure</p> Signup and view all the answers

    What is an example of function overloading in C++?

    <p>int add(int a, int b, int c)</p> Signup and view all the answers

    How are function calls resolved in compile-time polymorphism?

    <p>By the compiler</p> Signup and view all the answers

    In C++, what is polymorphism?

    <p>A feature where code is executed differently based on the type of object it is operating upon</p> Signup and view all the answers

    What is compile-time polymorphism also known as?

    <p>Early binding polymorphism</p> Signup and view all the answers

    How is function overloading defined in C++?

    <p>Two or more functions with the same name but different parameters</p> Signup and view all the answers

    What is the primary purpose of function overloading in C++?

    <p>To improve program readability by having multiple functions with the same name</p> Signup and view all the answers

    Which feature of C++ allows for compile-time polymorphism to be achieved?

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

    What is the main difference between compile-time and runtime polymorphism in C++?

    <p>Compile-time polymorphism involves static or early binding, while runtime polymorphism involves dynamic binding.</p> Signup and view all the answers

    Study Notes

    Polymorphism in C++

    • Polymorphism is the ability of an object to take on multiple forms, allowing for more flexibility and generic code.

    Compile-time Polymorphism (Static Polymorphism)

    • Compile-time polymorphism, also known as static or early binding polymorphism, is a type of polymorphism resolved at compile-time.
    • It is achieved through function overloading, which allows multiple functions with the same name but different parameters.
    • Function overloading is useful in object-oriented programming as it allows for more flexibility and reduces code duplication.

    Function Overloading in C++

    • Function overloading is a feature in C++ that allows multiple functions with the same name but different parameters.
    • It is defined as a way to create multiple functions with the same name but different parameters, such as different data types or number of parameters.
    • The primary purpose of function overloading is to provide a more intuitive and flexible interface for users.

    Example of Function Overloading

    • An example of function overloading in C++ is a function that can take either an integer or a float as a parameter, and performs different operations based on the parameter type.

    Function Call Resolution

    • In compile-time polymorphism, function calls are resolved at compile-time based on the parameter list and data types.

    Difference between Compile-time and Runtime Polymorphism

    • The main difference between compile-time and runtime polymorphism in C++ is that compile-time polymorphism is resolved at compile-time, whereas runtime polymorphism is resolved at runtime.
    • Compile-time polymorphism is achieved through function overloading and operator overloading, whereas runtime polymorphism is achieved through method overriding and method overloading.

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    Description

    Learn about polymorphism in C++ and its types such as compile-time and runtime polymorphism. Understand how function overloading and operator overloading contribute to achieving compile-time polymorphism.

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