---
title: "A comparison of LinkedList over ArrayList"  
description: "A comparison of LinkedList over ArrayList"  
author: "Revati S Misra"  
published: 2023-08-21  
updated: 2023-08-29  
canonical: https://www.mindstick.com/forum/159620/a-comparison-of-linkedlist-over-arraylist  
category: "data structure"  
tags: ["array list", "data structure", "linked list"]  
reading_time: 2 minutes  

---

# A comparison of LinkedList over ArrayList

A [comparison](https://www.mindstick.com/articles/23182/comparison-maruti-suzuki-celerio-v-s-tata-tiago) of [LinkedList](https://www.mindstick.com/forum/159619/when-to-use-linkedlist-over-arraylist-in-c-sharp) over [ArrayList](https://www.mindstick.com/articles/11973/arraylist-class-in-c-sharp)

## Replies

### Reply by Aryan Kumar

Sure, here is a comparison of linked lists and ArrayLists:

| Feature | Linked List | ArrayList |
| --- | --- | --- |
| Data structure | Linear | Dynamic array |
| Memory allocation | Dynamic | Static |
| Insertion | O(1) at the beginning, O(n) at the end | O(n) |
| Deletion | O(1) at the beginning, O(n) at the end | O(n) |
| Searching | O(n) | O(n) |
| Accessing | O(n) | O(1) |
| Size | Can grow or shrink | Fixed size |
| Traversal | Forward only | Forward and backward |
| Ease of implementation | Difficult | Easy |
| Efficiency | Less efficient for accessing elements | More efficient for accessing elements |
| Applications | Used in queues, stacks, and doubly linked lists | Used in array-based data structures |

As you can see, linked lists are more efficient for insertion and deletion operations, while ArrayLists are more efficient for accessing elements. Linked lists are also more flexible in terms of size, as they can grow or shrink as needed. However, they are more difficult to implement than ArrayLists. ArrayLists are easier to implement, but they have a fixed size.

The best choice for a particular application depends on the specific needs of the application. If the application requires frequent insertion or deletion operations, then a linked list is a good choice. If the application requires frequent access to elements, then an ArrayList is a good choice.


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Original Source: https://www.mindstick.com/forum/159620/a-comparison-of-linkedlist-over-arraylist

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