Index_E

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E

Eclipse, 373

Elevator simulation, 87–89

Employee Class program, 342–344, 348

Employee Modeling program, 348–351

Encapsulation, 317, 325, 329–330

aggregated objects, 338–340

associated objects, 339

final classes, 376

Ensembles, 68, 410

Enterprise Java Beans (EJB), 14, 129

EOFException, 171

Equals function, 140

Equals Method in Class Person program, 126

Error handling, 153–179

ArithmeticException, 163

casting errors, 102–105

checked and unchecked exceptions, 167–169

cohesion and coupling, 330–331

C programming, 159–161

design issues, 153

exception hierarchy, 169–172

exception propagation, 165–167

finally blocks, 167

further reading, 175–176

implementing exceptions, 172–175

incorrect approaches, 154–155

"handle it when it occurs," 155–159

method return values, 159–161

instanceof operator, 103

micromanaging, 161

multiple method calls and try blocks, 165

probability analysis, 236–237

runtime data type tags, 102–105

SortedPrintTable, 156–159

stack trace, 161, 163–165

try-catch blocks, 161–165

Errors (Java exception class), 170

Event, definition of, 410

Event listener objects, 211

Event Multicaster, 222–227

Event source object, 211

Event state object, 211

Exception blocks, 161

Exceptions, 153, 170–171, See also Error handling

checked or unchecked, 167–169, 171–172, 409, 412

cohesion and coupling, 330–331

finally blocks, 167, 168

further reading, 175–176

hierarchy, 169–172

inner classes, 377

propagation, 165–167, 412

RMI server class, 392

unwinding the stack, 166

writing and implementing, 172–173

advertising, 174

throwing, 174–177

writing the class, 173–174

Expression trees, 145–148

definition, 410

program, 147–148, 354

Extends clause, 141, 316, 341, 344

Extreme programming, 305, 332

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