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Nested Array

Definition

A nested array is an array that contains other arrays as its elements. It allows for the creation of multi-dimensional data structures.

Analogy

Think of a nested array like a set of Russian nesting dolls. Each doll represents an array, and they are all contained within each other. Just like you can open each doll to reveal another one inside, you can access the inner arrays within a nested array.

Related terms

Multi-dimensional Array: A multi-dimensional array is similar to a nested array, but it can have more than two dimensions. It allows for the organization of data in multiple levels or layers.

Indexing: Indexing refers to accessing specific elements within an array by using their position or index number.

Jagged Array: A jagged array is an irregularly shaped multidimensional array where each row can have a different length. It provides flexibility when dealing with varying amounts of data in different rows.

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.