You need to create a reference variable that can refer to objects from many different classes. You do not know the inheritance hierarchies of the classes. The safest class to use to declare the reference variable

a) Animal
b) String
c) Object
d) Scanner
e) File


c) Object

Computer Science & Information Technology

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The Address ____ field includes the Address, City, State, Zip, and Country fields.

A. Indexed B. Quick Start C. Virtual D. Datasheet

Computer Science & Information Technology

Choose the sentence type of the following sentence.Rinji uses a debit card, and Nikki pays by check.?

A. ?Simple B. ?Compound C. ?Complex D. ?Compound-complex

Computer Science & Information Technology

A(n) ____________________ is an online typewritten conversation in real time between two or more contacts.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

The output of a parser is a(n) complete ____________________, or an error message if one cannot be constructed.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology