Collections.synchronizedList and synchronized

Question

List list = Collections.synchronizedList(new ArrayList());
synchronized (list) {
    list.add(\"message\");
}

Is the bl

Answer 1

The underlying code for Collections.synchronizedList add method is:

public void add(int index, E element) {
    synchronized (mutex) {list.add(index, element);}
}

So in your example it is not needed to add synchronisation.