Choosing the Right List Implementation for Optimal Performance in Java

Uğur Taş
Codimis
Published in
4 min readAug 24, 2023

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Photo by Jason Dent on Unsplash

Choosing the proper data structure can have a significant impact on the performance and efficiency of your code. Two commonly used data structures for managing collections of objects are ArrayList and LinkedList.

Both of them have their own unique strengths and weaknesses. Making a choice between them is important to achieve optimal results. The objective of this article is to provide an in-depth analysis of ArrayList and LinkedList in Java. I will highlight their differences, use cases, and when it’s best to avoid each structure.

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Overview of ArrayList and LinkedList

ArrayList

An ArrayList is a dynamic array that can grow or shrink in size as needed. It is part of the java.util package. It provides a resizable array-like data structure. Internally, an ArrayList is backed by an array. It allows for fast random access and efficient…

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Uğur Taş
Codimis

A software developer with a high passion for learning, improving skills, and sharing knowledge. My motto is “fail million times if you take lessons every time”