💻ap computer science a review

ArrayList

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

ArrayList is a dynamic data structure that allows you to store and manipulate collections of objects. Unlike arrays, ArrayLists can grow or shrink dynamically as needed.

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