Moreover, we are studying C++ here with the help of a cuboid and spherical metal entity. This
is a very small C++ program. In reality, programs are complex and can have multiple entities with
multiple member functions. If you make an analogy of this program to construct a small room,
remember you have to build 50-storeyed buildings in real life by utilizing the experience gained in
building this single room. Some C programmers may feel that it is possible to implement the afore-
mentioned class features in C and I agree. But remember, C++ provides these readymade con-
structs (standard constructs) and it is easier to write object-oriented program ...
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