Home/ Questions/Q 3212852
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-05-17T14:52:52+00:00

In my program I often use collections to store lists of objects. Currently I

  • 0

In my program I often use collections to store lists of objects. Currently I use ArrayList to store objects.
My question is: is this a best choice? May be its better to use LinkedList? Or something else?

Criteria to consider are:

  • Memory usage
  • Performance

Operations which I need are:

  • Add element to collection
  • Iterate through the elements

Any thoughts?

Update: my choice is : ArrayList 🙂 Basing on this discussion as well as the following ones:

Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    I always default to ArrayList, and would in your case as well, except when

    • I need thread safety (in which case I start looking at List implementations in java.util.concurrent)
    • I know I’m going to be doing lots of insertion and manipulation to the List or profiling reveals my usage of an ArrayList to be a problem (very rare)

    As to what to pick in that second case, this SO.com thread has some useful insights: List implementations: does LinkedList really perform so poorly vs. ArrayList and TreeList?

    • 0