RefPtrIn the first example, the RefPtr object points to a single integer variable. The GetSize method returns the size of the integer in bytes, which is 4 on most systems. In the second example, the RefPtr object points to an array of 5 floats. The GetSize method returns the total size of the array in bytes, which would be 20 on most systems (4 bytes per float, times 5 floats). Based on the use of the RefPtr class and the syntax of these examples, it is likely that this code is part of a C++ library or package for smart pointer management. However, without more context it is difficult to determine the specific library or package.num = new int; // creates a RefPtr object pointing to an int variable std::cout << num.GetSize(); // returns the size of the int variable in bytes RefPtr array = new float[5]; // creates a RefPtr object pointing to an array of 5 floats std::cout << array.GetSize(); // returns the size of the array in bytes