F

E

Eclipse 30

editor

writing custom 408

effects of change

predicting 681

Eiffel 723

else 128

Emeril Lagasse 288

empty statement

example 138

enabling assert in javac 231

enabling assertions in Java VM 231

enclosing class 366

engineering trade-off 680

enhanced for loop 499, 501

entity diagram 650

enum 128

enumeration

typesafe 254

environment variables

CLASSPATH 31

PATH 31

purpose of CLASS & CLASSPATH 32

setting 27

setting in Windows 31

equals() method

equivalence relation 703

example code 704

testing 705

Erich Gamma 747

error checking 64

Error class 429

errors

compiler 12

correcting in source file 29

Ethernet 565

Event 350

event

custom code example 290

event listener interfaces 349

Event listeners 351

event listeners

registering with components 351

registration methods 355

event registering methods 352

event-handling framework 350

EventListeners

defining 403

EventObject 350, 351, 371

Events

defining 403

events

choosing the right type 352

handling GUI 350

low level 349

naming conventions 351

semantic 349

exceptions 428

checked 430

checked vs. unchecked 430

custom

creating 438

Error class 429

Exception class 429

extending 438

handling 430

low vs. high level 438

low-level to high-level translation 534

multiple try/catch blocks 431

ordering

importance of 432

purpose of 428

RuntimeException class 429

throwing 436

throws clause 436

try/catch block 430

try/catch/finally block 435

try/finally block 435

unchecked 430

expression 138

extends 128

extends keyword

using to create derived classes 278

extension inheritance

complications from using 688

vs. functional variation 688