Data structures in programming : Arrays, LinkedList, stack, queue, tree, heap, and graph

Data structures

A data structure represents the way of organizing data in the memory by a program for its effective usage. This is a critical concept with the amount of data we are currently processing through different systems. A proper choice of data structure increases the overall efficiency of a program or algorithm. Different data structures have got varying time complexity and space complexity w.r.t the operations.

In the below sections, we will see the different data structures. They are broadly classified as linear and non-linear data structures.

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Linear

In the linear data structures, the data elements are arranged in a sequential order and each element is connected to its previous or next elements. Following are the linear data structures.

Arrays

Linked list

Doubly linked list

Circular linked list

Stack

Queue

Non-linear

A non-linear data structure has no set sequence of connecting all its elements and each element can have multiple paths to connect to other elements.

Binary Tree

Heap

Graph

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