Help needed with synchronization

[Varun Goenka]

Once a thread enters the monitor on a synchronized method it cannot be blocked or it cannot sleep right?

[Henry Wong]

Varun Goenka wrote:Once a thread enters the monitor on a synchronized method it cannot be blocked or it cannot sleep right?

No. Owning a lock doesn't mean that it can't block on another lock. Or (doesn't mean that it) can't block on other resources such as I/O. And it can certainly call the Thread.sleep() method.

Henry