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O

Object class, 61, 87, 94, 359

objects, 57

comparing, 56

converting to String, 80 creating, 56

grouping, 70

referencing, 59–60

ODMG (Object Data Management Group), 321

OJB (Object Relational Bridge), 321

OLE class, 390

OOA (object-oriented analysis), 279–280, 285, 287

OOD (object-oriented design), 279–287, 359 OOP (object-oriented programming), xxviii,

57

Open Publication License, The, xxiv Open Source, xxiii–xxiv, xxviii, 5, 46, 189,

213, 379, 522–524

openejb-jar.xml, 509

operators, 55–56

overloading, 52

precedence, 55

unary, 55–56

Oracle, 316, 318, 328, 332

connecting to, 329

documentation, 337

orbd, 175

OSI (Open Systems Interconnection), 485 OTN (Oracle Technology Network), 318 owners of files, 9–10, 16

changing, 11, 170, 448

group, 10, 445–450, 463

other, 10

user, 10