An object can be viewed as a(n)_____,because a message to the object triggers changes within the object without specifying how the changes must be carried out.
A) black box
B) class diagram
C) use case
D) activity diagram

Question

Quizplus · Accepted Answer

A black box is an object that can be seen only in terms of its inputs and outputs. It's like a sealed package that you can't see inside, but you know what comes out of it based on what you put in. When you send a message to an object, you don't need to know how the object is implemented or how the message will be processed – you just need to know what will come back. This is the essence of encapsulation, which is one of the key principles of object-oriented programming.

An Object Can Be Viewed as A(n)_____,because a Message to the Object