On recent VMs, collection.toArray(new T[0]) is faster than
collection.toArray(new T[collection.size()]). Since it is also more
readable, it should now be the preferred way of collection to array
conversion.
https://shipilev.net/blog/2016/arrays-wisdom-ancients/
Change-Id: I80388532fb4b2b0663ee1fe8baa94f5df55c8442
Signed-off-by: Michael Keppler <Michael.Keppler@gmx.de>