?The variables or expressions that operators act upon are called _________.

Many people are now using the Web not simply to download content, but to build communities and upload and share content they have created. This trend has been given the name

a. Persistent online reality b. Online networking c. Web 2.0 d. Interactive hypermedia e. Virtual reality

The phenomenon in which one statement produces different behaviors as the program runs is called ____.

A. polymorphism B. encapsulation C. abstraction D. inheritance