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Difference between Array and Linked List

What is Array?

An array is a grouping of data elements or data items stored in contiguous memory. An array is one of the most simple data structures where we can easily access the data element by only using its index number.

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What is a Linked List?

A linked list is a linear and a non-primitive data structure in which each element is allocated dynamically, and each element points to the next element. In other words, we can say that it is a data structure consisting of a group of nodes that concurrently represent a sequence.

Difference between Array and Linked List

S.No. ARRAY LINKED LIST
1. An array is a grouping of data elements of equivalent data type. A linked list is a group of entities called a node. The node includes two segments: data and address.
2. It stores the data elements in a contiguous memory zone. It stores elements randomly, or we can say anywhere in the memory zone.
3. In the case of an array, memory size is fixed, and it is not possible to change it during the run time. In the linked list, the placement of elements is allocated during the run time.
4. The elements are not dependent on each other. The data elements are dependent on each other.
5. The memory is assigned at compile time. The memory is assigned at run time.
6. It is easier and faster to access the element in an array. In a linked list, the process of accessing elements takes more time.
7. In the case of an array, memory utilization is ineffective. In the case of the linked list, memory utilization is effective.
8 When it comes to executing any operation like insertion, deletion, array takes more time. When it comes to executing any operation like insertion, deletion, the linked list takes less time.

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