A.Ifonlyonethreadisblockedinthewaitmethodofanobject,andanotherthreadexecutesthemodifyonthatsameobject,thenthefirstthreadimmediatelyresumesexecution.
B.Ifathreadisblockedinthewaitmethodofanobject,andanotherthreadexecutesthenotifymethodonthesameobject,itisstillpossiblethatthefirstthreadmightneverresumeexecution.
C.Ifathreadisblockedinthewaitmethodofanobject,andanotherthreadexecutesthenotifymethodonthesameobject,thenthefirstthreaddefinitelyresumesexecutionasadirectandsoleconsequenceofthenotifycall.
D.Iftwothreadsareblockedinthewaitmethodofoneobject,andanotherthreadexecutesthenotifymethodonthesameobject,thenthefirstthreadthatexecutedthewaitcallfirstdefinitelyresumesexecutionasadirectandsoleconsequenceofthenotifycall.