Question

Does Collections.syncronizedList(new ArrayList()) effectively makes the arrayList a vector? If no then what extra does it do?
If yes then why was it introduced in the first place?

Thanks.

Answer 1

It provides a synchronized view (a wrapper) of any list. The differences:

• you can make a synchronized view of any list implementation. A synchronized LinkedList is not a Vector.
• the original list is not synchronized – only the view is.