create a suitable private data members for : name age oop mark web mark db mark o . write suitable properties to read-write above members, where: name must not be blank age must be grater than 5 and less than 60 marks must be between 0-100 . . then write read-only properties to calculate obtain: summation average in main create 2 objects, and invoke all members.

why wouldnt you just google the words bud? not that hard to

answer is:

a). backstage view

explanation:

backstage view is the area where files and data about them is managed— creating, saving, printing, sending to others, inspecting for hidden metadata or personal information, and setting options. so in this way we can add many things to our document swiftly.

i hope you get the idea.