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

Question: 1 / 565

What is the outcome of not defining a copy-constructor in a C++ class?

The program will not compile

The compiler generates a default copy-constructor

If a copy-constructor is not defined in a C++ class, the compiler will automatically generate a default copy-constructor. This can lead to unexpected behavior if the object contains pointers or other resources that need to be properly managed during copying. Option A is incorrect because the program will still compile, while option C is incorrect because the object can still be copied, but it may not behave as desired. Option D is incorrect because a runtime error will only occur if there is a specific coding error that causes it, not due to the lack of a copy-constructor.

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The object cannot be copied

A runtime error occurs

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