What is the use of the 'virtual' keyword in C++?
A. It indicates that a function can be overridden in derived classes.
B. It indicates that a function cannot be overridden in derived classes.
C. It indicates that a function must be called in the derived class.
D. It indicates that a function can be called from anywhere.
Answer: Option A
This Question Belongs to C Plus Plus Programming >> Polymorphism In C Plus Plus
A. A feature that allows objects of different classes to have the same name.
B. A feature that allows functions to perform different tasks based on the object they are called with.
C. A feature that allows the same function to have different implementations.
D. A feature that allows inheritance of multiple classes.
Which type of polymorphism is achieved by function overloading in C++?
A. Compile-time polymorphism
B. Run-time polymorphism
C. Static polymorphism
D. Dynamic polymorphism
What is dynamic polymorphism in C++?
A. Achieved through function overloading.
B. Achieved through function overriding.
C. Achieved using pointers or references to base class objects.
D. Achieved through template functions.
How is polymorphism implemented in C++?
A. By defining multiple functions with the same name but different parameters.
B. By using function pointers.
C. By using virtual functions.
D. By defining multiple classes with the same name.
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