Programming and Problem Solving with Java

770

Objects(continued)

objects within, 54

output and input of, 354–358, 367

and public interface, 274

state of, 257

writing and reading, 354

Object type, 333

Object types, 50

Observers, 136, 288, 289, 290, 291

and Listclass, 526–527

for rainfall amounts case study, 402

and SortedListclass, 544

Occupancy rates example, for

declaring/processing arrays, 493–494

occupants array, 494

Octal (base-8) numbers

int literals starting with zero as, 140

and literal constants beginning with

zero, 105

“Off-by-one” syndrome, 254

Olsen, Kenneth, 268

Olsen, Stan, 268

One-dimensional arrays, 483–493, 513,

571, 581, 582

accessing individual components of,

512

definition of, 486

instantiating, 512

processing components in, 512

OnTyme, 478

OOD.SeeObject-oriented design

Operands, grouping of operators with, 458

Operating system, 22, 34, 72

Operations, 155

Operations on matrices, 603

Operator precedence, 456, 457 , 458

Operators, 108, 468

different effects with those similar in

appearance, 195

precedence of, 165–166

relational, 156–158

Ordered lists

merging of, 566

sequential searching in, 671

Order of definition, with internal scope,

340–341

Order of evaluation

changing, 114–115

and string conversion, 120

Order of magnitude, 454

Ordinal data types, 481

OR operation, and short-circuit

evaluation, 163

OR operator (??), 161, 164, 481

otherObj, 345

otherObj.someInt, 345

outfile.dat, 219

Out-of-bounds array indexes, 490–491, 510

Out-of-bounds error, 490, 491

Output, 64–67, 70

adding to content pane, 380

devices, 15, 20, 21, 34

viewing with editor, 214

outputFrame, 377, 378

Output labels, 672

classes for, 333

outputPanemethod, 379

Overflow, 599, 600, 603, 620

and matrix manipulation case study,

612

Overloading, 347, 365, 367

and overriding, 348, 349

Overridden methods/fields, accessing, 349

Overriding, 326, 336, 339, 365, 367

and overloading, 348, 349

P

Package access, 132

packagekeyword, 294

Packages, 19, 46, 78, 294–299, 316

classes in, 315, 316

example of, 297–299

with multiple compilation units, 296

syntax for, 294–295

package statements, 316

Packard, Dave, 99

Parameter passing analogy, 244–245

Parameters, 242, 501

Parameter types, and signature of

method, 348

Parentheses

assignment expressions within, 229

data type names within, 116

matching, 87

T

E

A

M

F

L

Y

Team-Fly®