Index

A

abstract classes, 248

inheritance, 555

instantiation and, 252

overriding abstract methods, 253

Person class, 551

SRS class diagram, 550

UML notation of, 344

abstract keyword, 251, 258, 551, 793

abstract methods, 250

abstraction, 55

classification, 57

generalization through, 56

hierarchies, 58

in software development, 61

inherent challenges, 63

reuse of, 62

simplification through, 55

access modifier keywords, 118

accessibility

access modifiers, 118, 119

accessing class features from methods, 122

accessing properties from client code, 136

Camel casing, 125

exceptions to public/private rule, 138

inherited components, 518

method headers, 126

modifiers and inheritance, 518

Pascal casing, 125

persistence of attribute values, 137

properties, 133

publicizing features, 124

use of properties, 128

accessor methods, 127

approaches, 127

data integrity, ensuring, 143

encapsulation, 142

get/set methods, 129

declaring, 131

utilizing from client code, 132

preventing unauthorized access to data, 142

properties, 133

actors, use case modeling, 310

matching uses cases with, 316

roles, 312

Add method

ArrayList class, 481

Controls.ControlCollection class, 700

Hashtable class, 485

ListBox.ObjectCollections class, 705

AddButtonClicked method

MainForm class, 751

AddCourse method

CourseCatalog class, 632

addition operator (+), 40

AddSection method

ScheduleOfClasses class, 587

Student class, 562

aggregate classes, 167

aggregation, 167

relationship notations, mixing and matching, 366

SRS class diagram, 550

UML notation, 349

using associations instead of, 350

AgreeToTeach method

Professor class, 566

analysis paralysis, 305

ancestor classes, class hierarchies, 178

anonymous objects, 358

application architecture

GUIs, creating with two classes, 693

Application class

Run method, 688

System.Windows.Forms namespace, 688

architecture of applications, GUIs, 693

arguments, 102

overloading methods, 188

passing into methods, 95

signatures, 108

arithmetic statements, 17

Array class

copying contents of ICollections into, 494

fixed-size, 474

methods, 475

Clear method, 476

GetLength method, 478

GetValue method, 477

Length property, 475

Reverse method, 476

SetValue method, 477

Sort method, 476

rigidity of, 556

System namespace, 206, 474

ArrayList class

can grow in size, 556

casting, 486

extending, 222

instantiating, 478

iterating through with foreach loop, 497

methods

Add method, 481

Clear method, 482

Contains method, 482, 556

GetEnumerator method, 481, 490

IndexOf method, 481

Remove method, 482, 562

RemoveAt method, 482

SetRange method, 481

Sort method, 482

ToArray method, 482

ordered list collection, 224

predefined collection types, 202

properties

Capacity property, 480

Count property, 480

indexer property, 480

stepping through with for loop, 489

System.Collections namespace, 222, 474, 478

arrays

accessing array elements, 207

as collections, 205

declaring, 206

further considerations, 212

indexes, 207

initializing array contents, 208

instantiating, 206

iterating through, 211

limitations of, 215

manipulating, 209

multidimensional arrays, 212

new operator, 206

referring to objects in, 210

as keyword, 793

ASCII files

initializing collections with data from, 621

assignment statements, 17

compounds for arithmetic operations, 17

association classes, 333

attributes, folding into, 371

can act as normal classes, 371

Section class, 572

SRS class diagram, 550

UML notation, 369

associations, 160

aggregation, 167

and information flow, 361

as attributes, 359

bi-directional, 567

binary, 161

determining, 338

exclusive or situations, 373

graphical representation of, 347

matrices, 340

multiplicity, 162

reflexive, 161

relationship notations, mixing and matching, 366

roles, 162

ternary, 161

attends association

alternate form, 375

Student Registration System example, 370

Attribute class

reference types deriving from, 541

System namespace, 541

attributes

accessing

from within class's own methods, 148

via dot notation, 111

associations as, 359

Attribute class, 541

C# terminology, 423

defining objects, 70

encapsulation, 142

exceptions to visibility rules, 138

identifying, 343

objects as, 84

persistence of values, 137

predefined, 541

representing in UML, 344

static, 271

usually declared as private, 124

visibility, 118

AutoSize property

Label class, 698

TextBox class, 702-703