You can hide information entered by the user with a __________ component; by default, an asterisk (*) will be displayed for every character entered by the user.

In a C++ program, one and two are double variables and input values are 10.5 and 30.6. After the statement cin >> one >> two; executes, ____.

A. one = 10.5, two = 10.5 B. one = 10.5, two = 30.6 C. one = 30.6, two = 30.6 D. one = 11, two = 31

In a(n) _________ relationship, an object of a subclass also can be treated as an object of its superclass.

a) “is a” b) “like a” c) “has a” d) None of the above.