Java Collections Performance, LISTS

Java collections - performance (Time Complexity)

A list is an ordered collection of elements.

                              Add   Remove   Get   Contains             Data Structure
ArrayList                     O(1)     O(n)   O(1)     O(n)             Array
CopyonWriteArrayList          O(n)     O(n)   O(1)     O(n)             Array
LinkedList                    O(1)     O(1)   O(n)     O(n)             Linked List