Question: Write a program in C++, that creates a class Rock with a default constructor, a copy-constructor, an assignment operator, and a destructor, all of which

Write a program in C++, that creates a class Rock with a default constructor, a copy-constructor, an assignment operator, and a destructor, all of which announce to cout that they’ve been called. In main( ), create a vector (that is, hold Rock objects by value) and add some Rocks. Run the program and explain the output you get. Note whether the destructors are called for the Rock objects in the vector. Now repeat the exercise with a vector. Is it possible to create a vector?

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