Polymorphism in C++ Quiz

What does polymorphism mean in C++?

• One name, many forms

• Many classes, one object

• One object, many classes

• All of the above

Which type of polymorphism is achieved by function overloading or operator overloading?

• Dynamic polymorphism

• Static polymorphism

• Runtime polymorphism

• Virtual polymorphism

Runtime polymorphism is achieved through:

• Function overloading

• Operator overloading

• Virtual functions

• Friend functions

What is required for function overriding in C++?

• Different function name

• Different return type

• Virtual keyword in base class

• Static functions

What is the main advantage of polymorphism?

• Faster execution

• Better memory management

• Code reusability and flexibility

• None of the above

Which of the following can be overloaded in C++?

• Constructors

• Functions

• Operators

• All of the above

What is the correct syntax for declaring a virtual function?

• virtual void func();

• override void func();

• static void func();

• virtual function();

Which concept allows you to use the same function name for different purposes?

• Abstraction

• Encapsulation

• Inheritance

• Polymorphism

Which mechanism does C++ use to achieve runtime polymorphism?

• Function pointers

• vtable and vptr

• Static functions

• Templates

Which of the following is true about virtual functions?

• They are resolved at compile-time

• They cannot be inherited

• They must be defined in the derived class

• They support runtime polymorphism