(Solved) : Book Starting C Early Objects 9th Create Subclass Abstract Filter Class Programing Challen Q29868912 . . . .

Book: Starting out with C ++ early objects. 9th

“Create a subclass of the abstract filter class of programingchallenge 5 that replaces every line break in a file with a singlespace”

PC5 file filter reads an input file, transforms it in some way,and writes the results to an output file. Write an abstract filefilter class that defines a pure virtua l function for

transforming a character. Create one subclass of your filefilter class that performs encryption, another that transforms afile to all uppercase, and another that creates an
unchanged copy of the original file.

The class should have a member function
void doFilter(ifstream &in, ofstream &out)

that