Mastering C++: A Comprehensive Quiz Based on 'Thinking in C++'

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Test your C++ skills with our quiz based on Bruce Eckel's 'Thinking in C++'. Dive into object-oriented programming, advanced topics, and fundamentals. Perfect for learners and experts alike. Assess your knowledge and become a C++ master!

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Why does C++ support the virtual keyword, according to the text?

For easier debugging
To make programming easier for beginners
For efficiency tuning
To support legacy C code

The correct answer is: For efficiency tuning

C++ supports the virtual keyword for efficiency tuning. This allows for dynamic binding at runtime, improving performance and flexibility within the code. Option A is incorrect because virtual functions have no direct relation to debugging. Option B is incorrect because virtual functions are not used for making programming easier for beginners. Option D is incorrect because although C++ is an extension of C, it does not primarily support legacy C code.