wait(), notify() and notifyAll():
- wait() method forces the current thread to wait until some other thread invokes notify() or notifyAll() on the same object.
- notify() method for waking up threads that are waiting for an access to this object’s monitor.
- notifyAll() method simply wakes all threads that are waiting on this object’s monitor.
Syntax of Calling:
| wait() | notify() | notifyAll() |
| synchronized( lockObject ) { while(!condition ) { lockObject.wait(); } //take the action here; } | synchronized(lockObject) { //establish_the_condition; lockObject.notify(); //any additional code } | synchronized(lockObject) { establish_the_condition; lockObject.notifyAll(); } |