Which of the following is a resizable container that stores an ordered collection of items?

Prepare for the CodeHS Cybersecurity Level 1 Certification Test with our comprehensive quiz. Strengthen your understanding with flashcards and multiple choice questions, each supplemented with detailed hints and explanations. Master the essentials for your exam success!

Multiple Choice

Which of the following is a resizable container that stores an ordered collection of items?

Explanation:
A resizable container that stores an ordered collection of items is known as a vector. In programming, a vector is designed to grow and shrink as items are added or removed, making it flexible and dynamic in use. This characteristic allows vectors to manage collections of varying sizes effectively, unlike static data structures such as arrays, which have a fixed size once declared. Vectors also maintain the order of the elements as they were inserted, allowing for easy access and manipulation of the items stored within. This makes them ideal for scenarios where the number of elements is not known beforehand and can change during execution. On the other hand, arrays have a set size that cannot be altered after creation. Floats are a data type for representing decimal numbers and do not function as containers for collections. Objects, while they can encapsulate various groups of data and methods, do not inherently provide the resizable collection capability that vectors do. Thus, the defining characteristics of vectors make it the correct answer in this context.

A resizable container that stores an ordered collection of items is known as a vector. In programming, a vector is designed to grow and shrink as items are added or removed, making it flexible and dynamic in use. This characteristic allows vectors to manage collections of varying sizes effectively, unlike static data structures such as arrays, which have a fixed size once declared.

Vectors also maintain the order of the elements as they were inserted, allowing for easy access and manipulation of the items stored within. This makes them ideal for scenarios where the number of elements is not known beforehand and can change during execution.

On the other hand, arrays have a set size that cannot be altered after creation. Floats are a data type for representing decimal numbers and do not function as containers for collections. Objects, while they can encapsulate various groups of data and methods, do not inherently provide the resizable collection capability that vectors do. Thus, the defining characteristics of vectors make it the correct answer in this context.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy