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Questions and Answers
What does polymorphism mean in C++?
Polymorphism means 'many forms', and it occurs when we have many classes that are related to each other by inheritance.
What are the two types of polymorphism in C++?
The two types of polymorphism in C++ are compile-time polymorphism and runtime polymorphism.
What is compile-time polymorphism also known as?
Compile-time polymorphism is also known as static or early binding polymorphism.
What is function overloading in C++?
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How does function overloading increase the readability of a program?
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What is an example of function overloading?
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Study Notes
Polymorphism in C++
- Polymorphism is the ability of an object to take on many forms, allowing for more flexibility and generic code.
Types of Polymorphism in C++
- There are two types of polymorphism in C++: compile-time polymorphism and runtime polymorphism.
Compile-Time Polymorphism
- Compile-time polymorphism is also known as static polymorphism.
- It is resolved at compile-time, meaning the compiler determines the appropriate function to call based on the types of arguments.
Function Overloading in C++
- Function overloading is a type of compile-time polymorphism in C++.
- It allows multiple functions with the same name to be defined, as long as they have different parameter lists.
- The function to be called is determined by the number and types of arguments passed.
Benefits of Function Overloading
- Function overloading increases the readability of a program by allowing functions to be defined with a common name, making it easier to understand the code.
Example of Function Overloading
- An example of function overloading is having multiple functions with the name
calculateArea, each taking different parameters, such asintfor a square,intandintfor a rectangle, anddoubleanddoublefor a circle.
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Description
Test your knowledge of polymorphism in C++ with a focus on compile-time and runtime polymorphism, including function overloading and operator overloading.
