When you use a password in addition to a temporary code sent to your mobile phone in order to log in to your online bank account, you are using ____.

A bag is a very similar construct to a set except that duplicates are allowed in a bag. What changes would have to be made toextend a TreeSet to create an implementation of a bag?

What will be an ideal response?

The base default constructor is called by ____.

A. adding base( ):  between the constructor heading and the opening curly brace B. typing base( ): as the first executable statement in the derived constructor C. adding className( ):  between the constructor heading and the opening curly brace D. typing base( ): as the first executable statement in the Main( ) method