Java's listeners are ____ that a class must implement in order to handle events.

A. abstract classes
B. wrapper classes
C. interfaces
D. private classes


Answer: C

Computer Science & Information Technology

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Because properties are variables that belong to objects, they are referred to as:

a. Property variables b. World-level variables c. Object variables d. Class-level variables e. None of these

Computer Science & Information Technology

Item 3 in the figure above represents the style sheet ______.

A. text B. filename C. link D. language

Computer Science & Information Technology

In public-key encryption, the two keys—one for coding and one for decoding—are known as ________

A) key tags B) code keys C) a key pair D) linked keys

Computer Science & Information Technology

In what types of installations might this scheme be useful?

What will be an ideal response?

Computer Science & Information Technology