monitorexit
Description: unlock object to cease synchronized execution

Stack

Before After
object to be locked       

Example

Jasm-------------------

aload_1      ; push object in local var 1
monitorenter      ; acquire lock on object
( do stuff to object )      ;
monitorexit      ; release lock
     ;

Exceptions

NullPointerException if object is null IllegalMonitorState if oject was not locked by calling thread

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