LinkedList and ArryList

[rajesh kumar rayavarapu]

what is the difference between LinkedList and ArryList?

pls tell me it's urgent

[Jesper de Jong]

Lookup the API documentation of those classes; it explains exactly how each of the classes works. Also read the documentation on the collections framework.

"pls tell me it's urgent"
Ease Up

[marc weber]

Originally posted by rajesh kumar rayavarapu:
...pls tell me it's urgent

"It's urgent."

[Dinesh Arora]

They are both a part of Collection framework(LIST). Each ahs it's own advantage and disadvantage-

If you want a quick retreival of objects, use ArrayList.
If you have to do plenty of additiona and deletion, you can use Linked list
ArrayList does not maintain any order while inserting.
LinkedList manitian insertion order and can also sort itslef optionally to most recently access value.

It's a designing factor you might need to consider to improve the performance of a application/project.

Thanks,
Dinesh

SCJP 1.4

[Garrett Rowe]

ArrayList does not maintain any order while inserting.

Thats incorrect. All implementations of the List contract maintain a well defined order.