Enterprise JavaBeans 2.1

Object Management Group (OMG), 436

Object Request Broker (ORB), 436

object serialization, 25

object transaction service, 282

object-relational mapping, 120

ObjectMessage, 237

one-to-n relationship, 158

one-to-one relationship, 152

onMessage, 248, 265, 275, 384

optimistic locking pattern, 406