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//program to create a class box with data members (width,depth and height) and member functions (getdata,showdata and volume)(volume member function calculates the volume of the box ) #include<iostream.h> #include<conio.h> class box { int width; int depth; int height; public: void getdata() { cout<<"\nenter width of box "; cin>>width; cout<<"\nenter depth of box "; cin>>depth; cout<<"\nenter height of box "; cin>>height; } void volume() { int vol; vol=width*depth*height; cout<<"\nvolume of box is "<<vol; } void showdata() { cout<<"\nwidth of box is "<<width; cout<<"\ndepth of box is "<<depth; cout<<"\nheight of box is "<<height; } }; void main() { box ob; clrscr(); ob.getdata(); ob.showdata(); ob.volume(); getch(); }