In object-oriented programming, a function contained in a class is called which of the following?

Barack often sends funny jokes to Hillary. He does not care about confidentiality of these messages but wants to get credit for the jokes and prevent Bill from claiming authorship of or modifying them. How can this be achieved using public-key cryptography?

What will be an ideal response?

If you want a class that implements the List interface and do not need any methods beyond those in the List interface, you can use the ____________ class.

a. Vector b. LinkedList c. HashSet d. TreeSet