does BlockingQueue need synchronized? [duplicate]

Question

could you help me? Is this necessery for BlockingQueue, when I want to be sure that only one thread modify queue?:

BlockingQueue queue = new ArrayBlockingQueue(1024);

Collections=Collections.synchronizedCollection(queue); <--- is this necessary?

Answer 1

Since BlockingQueue is thread safe, you do not need to synchronize its accesses: the concurrency is handled by the class itself.

The BlockingQueue javadoc states:

BlockingQueue implementations are thread-safe.

It also provides a producer - consumer example.