Java Collections: which collection to use and when? [duplicate]

Question

As we all know with Java comes the Collections API that provide us with numerous data structures that we can use.

I was wondering if there is some collection/tutorial/advice that could explain the situations and best Collection for the problem.

Example : LinkedHashMap is good for building LRU caches.

Answer 1

I just came across this question but I recently posted a Q&A here What Java Collection should I use? that also answers this question.

Answer 2

This should give you a pretty good breakdown...