Explanation:In the above program, the class boys contains the data member’s name, age,
and height. The class boys also contains the member functions input() and show().
The input() function is used to read data, and the show()function displays data on the
screen.
After class definition and before the main() function array of objects, b[3] and fstream
object out are declared. They are declared before main() for global access. The file boys.
doc is opened ...
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