Complete Modern C++ - Project - Part V (Virtual Mechanism Internals)

Complete Modern C++ - Project - Part V (Virtual Mechanism Internals)

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial explains polymorphism in object-oriented programming, focusing on compile time and runtime polymorphism. Compile time polymorphism includes function and operator overloading, while runtime polymorphism is achieved through virtual functions. The tutorial details how the virtual mechanism works, including the creation of virtual tables and pointers. An example is provided to illustrate how virtual functions are invoked, highlighting the role of offsets in the virtual table.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the compiler determine which function to invoke at runtime?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when a non-virtual function is invoked through a base class pointer?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the concept of offsets in the context of virtual tables.

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