A difference between ofstream and ifstream objects is that (a) only ofstream destructors close files. (b) the ! operator is used differently for the two objects. (c) ofstream constructors require at...

A difference betweenofstreamandifstreamobjects is that

(a) only
ofstream
destructors close files.

(b) the!operator is used differently for the two objects.

(c)ofstreamconstructors require at least one argument.

(d)ios::incan only be used forifstreamobjects.