mainframe, 119
maintenance, 10
Mandatory, 304
MapMessage, 238
message, 28, 33, 231
acknowledge, 255
body, 237
consumer, 260
envelopes, 438
header, 237
properties, 237
selector, 256, 257
service, 231, 233
message-driven bean, 28, 231
application logic, 265
classes, 263
client, 260, 268
context, 266
example, 268
identity management, 265
instance, 261
interfaces, 263
life cycle, 261
state management, 264
transaction, 266
message-oriented
middleware, 233
message-oriented middleware (MOM), 29, 432
MessageDrivenBean, 263
MessageDrivenContext, 266
MessageListener, 247, 250
metadata, 61
middle layer, see architecture
MOM, 233
multicast, 50
multiple-user capability, 3
multithreading, 3, 242