A(n) ____ is the data structure of first choice when you have a list of primitive data types or objects that can be grouped as an array but must be expanded or contracted.
A) array
B) vector
C) object
D) class

Question

Quizplus · Accepted Answer

A vector is a dynamic array that allows for efficient expansion and contraction of the list. It is the data structure of choice when you have a list of primitive data types or objects that can be grouped as an array but must be expanded or contracted. Arrays are not efficient for resizing and can cause memory fragmentation and performance issues. Objects and classes do not have the same functionality as vectors for expanding and contracting arrays. A vector is a dynamic array that can grow or shrink according to the data it contains. This makes it the best choice for a situation where you have a list of data that needs to be expanded or contracted. Arrays have a fixed size, so they cannot be easily resized. Objects and classes are more general data structures that can contain any type of data, but they do not have the same dynamic resizing capabilities as a vector.

A(n) ____ Is the Data Structure of First Choice When