Difference between CopyOnWriteArrayList and synchronizedList

Question

As per my understanding concurrent collection classes preferred over synchronized collections because the concurrent collection classes don\'t take a lock on the complete co

Answer 1

1) get and other read operation on CopyOnWriteArrayList are not synchronized.

2) CopyOnWriteArrayList's iterator never throws ConcurrentModificationException while Collections.synchronizedList's iterator may throw it.