Array Data Structure

An array is a data structure for storing elements of one data type sequentially. The elements of an array are allocated at the adjacent memory location. Each element of an array is uniquely identified by an array index or key. In general, the simplest form of data structure is a linear array known as a one-dimensional array.

Arrays are known to be the most important data structure because of its wide use as it's used in implementing other data structures as hash-table, heaps, stack, queue, etc. Arrays are one of the oldest data structures in the computer programming field.

Following diagram explains arrays:

Array data structure

The memory location of the first element of the array is, in general, is in general by the name of the array. For the above case, Arr is that location that points to the first element.


  1. Array coding problems

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