Complete Modern C++ - Copy Constructor - Part II

The video tutorial explains the concepts of shallow and deep copying in programming, particularly in C++. It highlights the problems associated with shallow copying, where only the address is copied, leading to unintended changes across pointers. The tutorial emphasizes the importance of deep copying, which involves copying the actual value at the address. It discusses the implementation of a user-defined copy constructor and the rule of three, which suggests implementing a destructor, copy constructor, and copy assignment operator to manage resources effectively and avoid memory leaks.

How does passing an object by reference help avoid issues with the copy constructor?

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What problems can arise if a class does not implement a copy constructor or assignment operator?

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