In-Class

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In-Class

A small in-class quiz following our lecture.

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Which of the following (Check all that apply) are special member functions that I recommend you always define? (i.e. the four musketeers) *

1 point

Constructor

Destructor

Copy Constructor

Copy Assignment

Required

What is the difference between a deep and a shallow copy? *

1 point

A shallow copy is for trivial operations like assigning values to int, char, float, etc. A deep copy will reallocate memory and assign unique chunks of memory for pointers. This is necessary to do a true copy.

There is no difference

What is a double free? *

1 point

When you delete the same piece of memory twice. It is an error!

When you run your program twice in a row.

Why do we use header(.hpp) files in C++? *

1 point

It helps us separate the interface (header file) from the implementation. It is also a nice way for us to look at our 'blueprint' in a quick glance and see all of the member functions and member variables at a glance. Finally, distributing header files is useful, without having to distribute the implementation.

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