Lock objects can be created through SE11. It starts with āEā like EZlock. You have to 
specify the Table Name and Lock Mode. Specify the Lock Parameter.
When Lock Object is activated, two-function module are created like 
ENQUEUE_<lockobjectname> and DEQUE
UE_<lockobjectname>. This Enqueue and Dequeue method is used to lock and unlock any 
object in SAP ABAP.