In computer science, a one-dimensional array is a data structure that consists of a collection of elements of the same data type that are stored in a contiguous block of memory. The elements in an array are accessed using an index or a subscript, which is an integer value that indicates the position of the element in the array.

For example, a one-dimensional array of integers with five elements might be declared as follows in the C programming language:

code

int myArray[5];

This creates an array called myArray that can store five integers. The elements in the array are indexed starting from 0, so the first element is myArray[0], the second element is myArray[1], and so on.

One-dimensional arrays are used in many programming languages to store collections of data such as lists, sequences, and vectors. They are efficient and easy to use, but their size is fixed at the time of declaration, which means that you cannot add or remove elements from the array once it has been created. To overcome this limitation, other data structures such as linked lists and dynamic arrays can be used.

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