This program must calculate book sales for R ’n R, with a discount of 15 per- cent for students. The project will use the BookSale and StudentBookSale classes developed in the chapter step-by-step. Create a project with multiple forms that have a shared design element. Include a main form, an About form, and a summary form that displays the sales summary information. Design a base form to use for inheritance and make the other three forms inherit from the base form. The About form and summary form must have an OK button, which closes or hides the form. The main form will have menus and no OK button.
OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
This program must calculate book sales for R ’n R, with a discount of 15 per- cent for students. The project will use the BookSale and StudentBookSale classes developed in the chapter step-by-step. Create a project with multiple forms that have a shared design element. Include a main form, an About form, and a summary form that displays the sales summary information. Design a base form to use for inheritance and make the other three forms inherit from the base form. The About form and summary form must have an OK button, which closes or hides the form. The main form will have menus and no OK button.
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