[RFR] [8u-JFR] 8238076: Fix OpenJDK 7 Bootstrap Broken by JFR Backport

[Martin Buchholz]

On Wed, Jan 29, 2020 at 12:28 AM Aleksey Shipilev <shade at redhat.com> wrote:

>
> Performance-wise, I think the only reason to prefer LinkedList over
> ArrayList if you do
> insertions/deletions in weird places (like, in the head). It almost never
> happens, so my goto
> performance optimization is usually a blind s/LinkedList/ArrayList/g :D
>

Proper comparison would be LinkedList against ArrayDeque.

LinkedList's best use case is a queue that spends most of its time empty;
then LinkedList is the most space efficient.