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E

e3, 49

EAR files, 28, 506–514

building with Ant, 513, 516

deploying, 514–516

echo, 239

Eclipse, 175, 251–258, 378–379, 382, 396,

464

documentation, 260, 383

downloading, 252

GTK vs. Motif versions, 252, 383, 396

installing, 251–254


Eclipse (continued)

perspectives, 253

Debug, 253–254

Java, 256–258

Resource, 253–256

projects, 254

refactoring, 258–259, 388 using with CVS, 259 using with JUnit, 312 using with XDoclet, 519 views, 253

working with, 257–258

ed, 47

eddi, 48

EDITOR environment variable, 198

ejbCreate(), 496

EJBHome class, 498–499

EJB-JAR files, 508–511

ejb-jar.xml, 509–511, 519

EJBLocalHome class, 499–501

EJBLocalObject class, 499–501

EJBObject class, 495, 497–498, 512

ejbRemove(), 496

EJBs (Enterprise JavaBeans), 138, 148, 216,

473–492, 518

activating/passivating, 475–476, 496

compiling, 501–502

creating, 475

deploying, 505–519

destructing, 475

documentation, 503

entity, 475–476, 479, 492, 499, 503

implementing, 474, 493–503

message, 475, 481

session, 475–481, 492, 495, 499

stateful, 476, 478–479, 502

stateless, 476–477, 495–498 using with Ant, 502

elvis, 34–35

Emacs, 34, 48–49, 214

encapsulation, 86–87

endsWith(), 61 Enterprise Java, see J2EE

Enterprise JavaBeans, see EJBs enterprise systems, 138

EntityBean class, 475

enum statement, 91

enumerated values, 90–91

Enumeration class, 71, 490

env, 108

ENVFILE environment variable, 109–110

.envfile file, 110

environment variables, 22–25, 104–109, 219

exporting, 22, 105

names, 105

passing to Java, 107 setting, 23, 105

substituting, 15

environments, 104–110

equals(), 61

equalsIgnoreCase(), 61

Error class, 306

error handling, 75–79

error messages, 6–8, 112

/etc/inittab, 451–453, 457 events

loops, 381

time, 348

ex, 37

Exception class, 76–77, 306, 490

@exception tag (Javadoc), 130 exceptions, 75–76, 79, 130

catching, 78

creating, 77

extending, 75, 77

null pointer, 59

stack trace, 77

throwing, 76–77

Exclude datatype (Ant), 228

exec(), 111–113

executeUpdate(), 336

exit, 24

export, 23, 105, 194 expressions

in Java, 66

in JSP, 434

.exrc file, 44–45

ext directory, 301, 332

extcheck, 164

extends statement, 87–88, 92

Extensible HyperText Markup Language, see

XHTML

Extensible Markup Language, see XML