Marketing Fragment 6 x 10.Long - Cambridge University Pressassets.cambridge.org/.../index/9780521546843_index.pdf · CD-ROM with this book 58 CENTER region of the content pane 215

Index

Symbols% (modulus operator) 99&& (AND) Java operator 110,

115, 133*/ (asterisk-slash),

terminating a multipleline comment 48

* (multiply) arithmeticoperator 98

/* (slash-asterisk), beginninga multiple line comment 48

/**, beginning documentationcomments 49

/ (divide) arithmetic operator 98/ (forward slash), compared to

backward slash \ 178// (double slash), indicating

comments 45// (forward slashes), beginning

a single line comment 48{} (braces)

enclosing the body of aclass program 44

indicating the beginningand end of blocks ofcode 44

placing in a switchstatement 126

placing statements in ablock 113

|| (OR) Java logical operator 110,115, 133

+ (add) arithmetic operator 98< (LESS THAN) operator 110, 133<= (LESS THAN OR EQUAL

TO) operator 110, 133<> (NOT EQUAL TO)

operator, not recognizedin Java 110

= (assignment operator)combining arithmetic

operators with 99in Java 98, 110

= (EQUAL TO) COBOLoperator 133

!= (NOT EQUAL TO) Javaoperator 110, 133

!= (NOT EQUAL TO)operator 110

! (NOT) Java operator 110, 133= in the Java assignment

statement 47

260

www.cambridge.org© Cambridge University Press

Cambridge University Press0521546842 - COBOL Programmers Swing with JavaE. Reed Doke, Bill C. Hardgrave and Richard A. JohnsonIndexMore information

http://www.cambridge.org/0521546842

http://www.cambridge.org


INDEX 261

== (EQUAL TO) Javaoperator 110, 133

== (EQUAL TO) operator 110> (GREATER THAN)

operator 110,133

>= (GREATER THAN OREQUAL TO) operator 110,

133\ (backward slash) as an

escape character 178: (colon), placing in a switch

statement 126- (hyphen), not allowed as

part of a Java identifier 49– (subtract) arithmetic

operator 98. (period), terminating

COBOL statements 45; (semicolon)


terminating Javastatements 45

Aabs() method of the Math

class 99abstract classes 58, 60abstract keyword 251Abstract Windowing Toolkit.

See AWTAccept button 213Accept button handler object 214Accept command button 209AcceptButtonHandler class

adding to theCustomerGUIFour class 214

creating 213

Access relational databasecreating 184using 236

accessibility, defining to aclass 45

accessor methods 52, 251Account.java program 58–60,

235AccountProcessor.java

program 62–3, 90–1action event object 213action events 213action listener 213ActionListener class 213ActionListener object 213actionPerformed method 213actions, performed by users 199Ada programming language 23add (+) arithmetic operator 98add method of the Container

class 205ADD statement in COBOL 98addActionListener() method 254addWindowListener()

method 254aggregation 32–4, 251Agile Methodology 232Alt key with a menu

mnemonic 225Amortizer.java program 147–9analysis and design, required

by the OO paradigm 231AND (&&) Java operator 110,

115, 133AND COBOL operator 133ANSI standards for COBOL 12Applet HTML tag 226applets 6, 251

diminished capability of 225






262 INDEX

applets (cont.)running 226writing 225–6

architecture issues 246–7Area A of the COBOL coding

line 47Area B of the COBOL coding

line 47arguments 54, 251

passing arrays as 166passing to methods 54

arithmetic expression,containing mixed datatypes 93

arithmetic operators 82, 98–9ArithmeticException

exception 85ArithmeticExceptionDemo.java

program 85array elements 157arrays

of arrays 162declaring in COBOL 152declaring in Java 153passing as arguments 166populating COBOL 155–7populating Java 156searching 167–71

arrowed lines in a sequencediagram 237

ASCII character set 68assignment operator (=)

combining arithmeticoperators with 99

in Java 98, 110assignment operators 99, 251assignment statements 47, 70, 251

performing computation 76, 98populating a Java array 157

association 29, 34, 251

asterisk-slash (*/),terminating a multipleline comment 48

attributes 24, 251defining 42inheritance by subclasses 31methods reporting the

values of 52representing by variables

with class scope 71storing values of 190

AWT (Abstract WindowingToolkit) 199, 251

Event package 214hierarchy of classes 199importing 205layout managers in 214

Bbackspace “\b” special

character 178backward slash (\) as an

escape character 178basic arithmetic operators 98bean 6, 251

See also JavaBeansbinary association 35, 251block of statements 113Booch, Grady 23boolean data type 68Boolean value (true or false) 98Boolean variables 251

emulating condition names 117explicitly assigning values

to 118BorderLayout manager 215, 227BoxLayout manager 215, 227braces ({})

enclosing the body of aclass program 44






INDEX 263

indicating the beginningand end of blocks ofcode 44


placing statements in ablock 113

break keyword 123break statement 145browsers

containing bytecodeinterpreters 11

loading and executingapplets 226

business environment,diversity of 16

business logic 232, 233button events 227button objects 214button-handling class 213buttons 209

adding to a window 209–14controlling the behavior of 213functionality added by 213in a GUI 198

byte data type 68, 78, 92byte streams 174, 251bytecode 10bytecode program 12

CC# language 13C++ language 5, 23

compared to Java 9as a hybrid 9increment/decrement

operators inherited from 99CALL statement in COBOL 54Cambridge University Press

web site 17, 246

case keyword in the Javaswitch statement 123

case sensitivityof Java 49of method names 74

case structure 251computing a service charge

using 123–6implementing 121

CastDemo.java program 77casting 76, 93, 252

See also type castingcatch block, executing the

code in 85catch keyword 252catching exceptions 84CD-ROM with this book 58CENTER region of the

content pane 215char data type 68, 70character streams 174, 252character string data,

storing 81character strings 73

defining 73enclosing in double quotes 70

charAt() method 74, 75checking accounts

posting checks to 235–46types of 109

CheckingAccountDA.javaprogram 236

CheckingAccount.javaprogram 60–2

adding code foraccountType 119

with the customNSFException added 89–90

CheckingAccountPD.javaprogram 235






264 INDEX

children. See also subclassespermitted only one parent 30

class diagram 35, 42, 232, 233class header 44, 45, 252class methods 168, 252class names, capitalizing 50class programs 25, 42, 231, 252

data defined in 26structure of 44writing 58

class scope 71, 252class variables 71classes 25, 50, 252

data declarations for 80defining accessibility to 45diagramming 26–7general linkage between 29naming 49relationships among 28UML notation for 26

ClassNotFoundException 187ClearButtonHandler class 214client-server computing

model 195Close button in a GUI frame 202CNB. See Community

National Bank (CNB)case study

Coad’s methodology 232COBOL

column restrictions andmargin rules of 47

compared to Java 4, 17as a complementary

development tool withJava 16

demand for programmers 13evolution of 12long-term use of 13

losing data because oftruncation 78

number of programmers 13predicted demise of 12rounding compared to Java 100rounding in 101strength of 12translation to Java 17

COBOL condition. Seeconditions

COBOL programmers,reasons for retraining inJava 15

COBOL subprograms,compared to Javamethods 54

COBOL-74 PERFORMstatements, using towrite loops 131

COBOL-78 syntax for anarray 155

COBOL-85 PERFORMstatements 131

COBOL-85 PERFORM WITHTEST AFTER clause 137

codebeginning and end of

blocks of 44conventions for writing 49

code reuse, inheritance as anexcellent tool for 32

coding shortcuts, involvingJava operators 99

college curricula,programming languagestaught in 14

colon (:), placing in a switchstatement 126

column restrictions 47






INDEX 265

columnsin a relational database 181in a two-dimensional array 160

command button 209comments

indicating with the doubleslash (//) 45

multiple line 48types of 47writing in Java 47–9

Common Request BrokerArchitecture (CORBA) 247,

252communication port,

attaching a Socket objectto 195

Community National Bank(CNB) case study 22

class diagram 35, 42, 233classes 27data declarations for classes 79deployment diagram for 246system for posting checks

235–46types of accounts 31

compile time, validatingclasses and methods at 39

compiled code 252compiled environment 10compilers

indentation ignored byCOBOL and Java 114

for multiple platforms 10complementary development

tools 16complex data types 73, 252Component class, inheriting

attributes and behaviorsfrom Object 199

component diagrams 233components

adding to regions of aBorderLayout 215

of COBOL programs 234of a GUI 199physical location of 246

compound conditions 115, 252computation in Java 82–106computational errors,

trapping in COBOL 87computational methods,

provided by the Mathclass 99

COMPUTE statementarithmetic operators used

in 98in COBOL 76, 98

computeServiceCharge()method

for CheckingAccount 108using if statements 120–1

concatenation operator 75condition names 252

coding in COBOL 117emulating in Java 117, 128

condition values, dynamicallyassigning in COBOL 118

conditional operator 116, 252conditions 109, 252Connection class of

java.sql 184Connection object 185CONSISTS-OF relationship.

See aggregationconstants 252

defining in Java 72in the Math class 100naming 50






266 INDEX

constructor method 57, 252for CustomerGUIFive.java 219for the CustomerGUIOne

class 201for CustomerGUIOne.java 202for the CustomerGUISix

class 225for CustomerGUITwo.java 205executing 51–2format of 52not included in an applet 226

Container class 199, 205content pane 205, 215continue keyword

in Java loops 116Java usage compared to

COBOL 145CONTINUE reserved word

completely different usagein COBOL and Java 116

used in a COBOL Ifstatement 116

continue.break statement inJava 145

convention for writing code 49CORBA (Common Request

Broker Architecture) 247, 252CORBA software 247createStatement() connection

method 185currency object 105custom exception 88–9, 253custom exception classes 87–91custom methods 60, 253customer class, adding to the

inheritance hierarchy 35Customer object 191CustomerGUI.java applet 226CustomerGUIOne.java

program 201–2

CustomerGUITwo.javaprogram 203–5

CustomerGUIThree.javaprogram 206–8

CustomerGUIFour.javaprogram 209–12

CustomerGUIFive.javaprogram 215–20

CustomerGUISix.javaprogram 220–5

Customer.java program 44, 53CustomerProcessor.java

program 56–8

DDA (data access) classes 234, 253dashed lines in a sequence

diagram 237data

defining in Java 66–80retrieving using the SQL

Select statement 182data access

classes 234, 253function 234techniques 173

Data Access class program 236data definition

statements for characterstrings 73

writing code for 68Data Division, no equivalent

in Java 68data encapsulation 60data file structure, changing 235data items 42

See also variablesdata streams 174, 258data type classes 253data types 253






INDEX 267

in ascending range of valueorder 93

categories of Java 68changing for variables 76establishing in COBOL 67explicitly casting 93in Java 68mixed in an arithmetic

expression 93truncation errors from

mixing 93writing explicitly 70

database access 181–9database driver 240

See also driversdatabase language, structured 182DataBaseDemo.java program

184–9databases, identifying 185DataInputStream object 177, 195DCOM (Distributed COM)

247, 253decimal format in

NumberFormat 106decimal positions, specifying 77decision rules for service

charges at CNB 109decrement operators 99, 253default case, coding 126deployment diagrams 233, 246,

253descriptive names for

variables 68design. See OO designdevelopment process

discipline 15device independence of Java

program code 174diamond symbol, indicating

aggregation 33

Distributed COM (DCOM) 247,253

distributed systems, overheadrequired by 248

divide (/) arithmetic operator 98divide by zero error,

exception handling for 85DIVIDE statement in COBOL 98division, returning the integer

remainder of 99do loops

compared to while loops 138printing the numbers 1

through 5 137do statement 137documentation comments 49DoLoopDemo.java program 138Double class 94double data type 68, 71, 77,

92double quotes, enclosing

character strings 70double slash (//), indicating

comments 45do-while loop 137DriverManager class 184, 185drivers

for database connectivity 185loading database 240

DSDM 232Dynabook project 23dynamic binding 38, 39, 253

EE constant in the Math class 100EAST region of the content

pane 215edit characters 104edit picture clause 104–6Eiffel language 8, 23






268 INDEX

element numbers for Javaarrays 154

elementary item in COBOL 67elements. See array elementsELSE clause 112encapsulation 37, 253END-EVALUATE scope

terminator in COBOL 123endless loop, creating in

Java 134END-PERFORM scope

terminator 131EQUAL TO (=) COBOL

operator 133EQUAL TO (==) Java

operator 110, 133equals() method 73, 74equalsIgnoreCase() method 74error registration 253escape character, backward

slash (\) used as 178EVALUATE statements

compared to switch 123computing a service charge

123–5nested 124

event handling methods 201, 253event listener 200, 201event listening 253event object 200event source 200event-driven programming 199,

253event-handling mechanism 200events 253

generating in GUIs 199handling 213

Exception class, hierarchy of 84exception classes, custom 87–91

exception handling for adivide by zero error 85

exceptions 83, 254catching 84steps for dealing with 84throwing 84

executeQuery method 186explicit casts 93expression 98, 254Extensible Markup Language

(XML) 13eXtreme Programming 232

Ffields 42

See also text fields;variables

File object 176, 177, 190,191

FileInputStream object 190FileOutputStream object 177, 190filespec 176, 190filler, omitting 155–66final keyword 72, 81, 254findZip() method 168, 169FindZipCode.java program 168–9,

171Flavors language 23FLEX system 23Float class 94float data type 68, 92floating point value 62, 69floor() method of the Math

class 99FlowLayout manager 214, 227for loop 140ForLoopDemo.java program 142format() method 105forName() class method 185






INDEX 269

forward slash (/), compared tobackward slash \ 178

forward slashes (//), beginninga single line comment 48

FOUND-IT-SWITCH,defining in COBOL 167

framecentering on the screen 205creating with no

contents 201–2moving manually around

the screen 202functions, isolating in

programs 235Fusion 232

Ggeneralization/specialization

relationship (gen-spec) 29get, beginning an accessor

method 52getAccount() method

calling in the Data Accessclass 241

of Checking-AccountDA.java 236

creating aCheckingAccount object 242

getConnection() method 185getCurrencyInstance()

method 105getInstance() class method 105getString() ResultSet method 186Gosling, James 5graphical elements 198graphical user interfaces. See

GUIsGREATER THAN (>)

operator 110

GREATER THAN OR EQUALTO (>=) operator 110

GridBagLayout manager 215,227

GridLayout manager 215, 227group item in COBOL 67GUIs (graphical user

interfaces) 198components of 199, 205design tools 214graphically designing 214labels in 203writing 226

HHAS-A relationship. See

aggregationHEIGHT variable 201, 202hierarchical structure,

inheritance as 30hybrid languages 9, 23, 254hyphen (-), not allowed as

part of a Java identifier 49

IIDE 254identifiers 49, 254If statements 108

COBOL compared to Java 110,127

computing a service charge118–21

evaluating a condition inCOBOL 109

if statementsin Java 109nested 114structure of Java 111

if-else statement 112






270 INDEX

implements keyword 213, 228,254

increment operators 99, 254indentation

ignored by COBOL andJava compilers 114

of nested If statements 121independent modules,

decomposing processinginto 234

index 254in COBOL 153enclosing in a separate

bracket in Java 161in Java 153using brackets for 157

information hiding. Seeencapsulation

information systemscurricula, popularity ofJava 14

inheritance 29–32, 58, 254aggregation and 34as a hierarchical structure 30multiple 30, 255

inheritance relationship 29inherited methods 62init() method in an applet 226initialize() method

calling from Checking-AccountPD.java 239

calling in the data accessclass 239

of Checking-AccountDA.java 236, 240

of Checking-AccountPD.java 236

inline PERFORM 131input stream 174

instance methods 168, 254See also operations

instance variables 119See also attributes

instances 26, 254instruction scope 71, 254int (integer) data type 68, 71, 92integer

converting to a String 95data type categories 68division 77variables 76

Integer class 93, 94interface 213, 228,

254interface function 234Internet, Java redirected to 6Internet Explorer, bytecode

interpreter in 11Internet web browsers,


intValue() method 95I-O class library. See java.io

packageIS programs, languages taught

in undergraduate 14IS-A relationship 29, 30, 58

JJ, beginning Swing class

names 199Jacobson, Ivar 24JApplet class 220, 226JAR (Java ARchive) files 6, 254Java 4

advantages in applicationdevelopment 8–12

business benefits of 5






INDEX 271

case sensitivity of 49column restrictions and

margin rules comparedto COBOL 47

compared to COBOL 4, 17compiling into native code 12as a complementary

development tool withCOBOL 16

differences when comparedto other languages 8

encroachment intoCOBOL’s camp 14

history and overview of 4–6introduction of 6, 23as object-oriented 9popularity of 6–8portability of 10–12potential to replace

COBOL 13program structure of 41–63redirected to the Internet 6replacing COBOL in college

curricula 14rounding in 102running on multiple

platforms 11simplicity of 8static and dynamic binding

supported 39Java ARchive files (JAR files) 6,

254Java Community Process

program 5Java compiler on the

CD-ROM with this book 58Java database connectivity

(JDBC) class programlibrary 184

Java Development Kit (JDK) 6.java extension 64Java Integrated Development

Environment (IDE) 254Java name, licensing of 6Java platform 5Java Remote Method

Invocation (Java RMI) 247Java SDK (Software

Development Kit) 12, 254Java Swing classesJava Swing package. See

Swing packageJava virtual machine (JVM) 6, 10,

255java.awt package 199java.awt.event class 200JavaBeans 6, 9,

251javadoc program 49java.io package 174

class hierarchy 175importing classes 177,

191java.lang class library

containing classes for eachprimitive data type 93

Math class 99java.net package 195JavaOne conference 6JavaScript 6, 255java.sql package 184java.text package 104javax.swing

event class 200package 199

JButton class 209JComponent objects 199JComponents class 199






272 INDEX

JDBC (Java databaseconnectivity) classprogram library 184

JDK (Java Development Kit) 6JFrame class 202, 220JLabel

class 203objects 205

JMenuclass 220object 225

JMenuBarclass 220object 225

JMenuItemclass 220objects 225

JPanel objects 220JPasswordField class 206JTextComponent class 205JTextField

class 205objects 205, 208

JVM. See Java virtual machine

KKay, Alan 23

Llabels

adding to a window 203–5in a GUI 198right-aligning within a grid

219languages, taught in

undergraduate ISprograms 14

layout, setting for a GUI 205layout commands 199

layout managers 255in the AWT package 214in Java 227

LayoutManager class 199layouts, setting for panels 220length() method 74, 75length public variable 158, 171LESS THAN (<) operator 110LESS THAN OR EQUAL TO

(<=) operator 110, 133LINKAGE SECTION of a

COBOL program 54listener. See action listenerlistener object 255literals, writing in Java 70loan

amortization schedule 146–9payment 101, 152tracking 160

locale for the NumberFormatclass 104

logical expression 110, 123,255

logical operators 255COBOL compared to Java 126in Java 110Java compared to COBOL 110

Long class 94long data type 68, 92loop counters 140loops

structures of 130terminating the current

iteration 145termination of 137types of Java 129writing in Java 129–49writing within loops in

Java 144






INDEX 273

Mmachine code, compiling

programs into 10main() method 55

not included in an applet 226in OneDimArray-

Demo.java 159in PostChecksGUI.java 239in StringDemo.java 74in TwoDimArrayDemo.java 164

Martin and Odell’smethodology 232

Math class 83, 99–104MathClassDemo.java

program 103Math.E constant 100Math.PI constant 100max() method of the Math

class 99menu bar in a GUI 198menu events 227menu item 220menus

defining 220in GUIs 220

messages 35, 255method call 213method header 44, 46,

255method headings 213method scope 71, 141–255method signature 46, 65,

255methods 24, 255

accessibility of 46beginning in lowercase 50calling 54changing attribute values 52in a class program 44

execution of Java 54inheritance by subclasses 31invoking 54messages invoking 35naming 49obtaining values stored in

objects 94passing arrays to 166provided by the String

class 73reporting the values of

attributes 52throwing exceptions 84

Microsoft, language strategyof 13

Microsoft Access relationaldatabase

creating 184using 236

min() method of the Mathclass 99

mixed data types in anarithmetic expression 93

mnemonic for a menu item 225modules, decomposing

processing into 234modulus operator (%) 99monthly loan payment 146MOVE statement in COBOL 70MS Windows system, loading

drivers for 185multiple inheritance 30, 255multiple line comment 48multiplicity 33, 255multiply (*) arithmetic

operator 98MULTIPLY statement in

COBOL 98mutator methods 52, 255






274 INDEX

Nnaming conventions 49n-ary association 35, 255native language compiler 248nested EVALUATE

statements 124nested If statements

computing a service charge118–21

indentation of 121using Java 114

nested loops 143–4nested switch statements 125.NET strategy of Microsoft 13Netscape, bytecode

interpreter in 11networks, accessing 195new keyword in Java 154new line “\n” special

character 178next() method 186NoAccountFoundException

exception 240, 242non-numeric value, trying to

convert with valueOf() 95NORTH region of the content

pane 215NOT (!) Java operator 110, 133NOT COBOL operator 133NOT EQUAL (!=) Java

operator 110NOT EQUAL (!==) operator 110NOT EQUAL TO (<>)

operator 110NOT EQUAL TO (!=) Java

operator 133NOT EQUAL TO (NOT=)

COBOL operator 133notation set for OO modeling 24

NSFException exception 240, 243n-tiered architecture 246NumberFormat class 83, 104–6NumberFormatDemo.java

program 105NumberFormatException

exception 95numbers, formatting with

commas 105numeric data

converting to a String 94types of 92

OObject class 199Object COBOL 13

early versions of 23as a hybrid language 9

object communication 35–7object interface 256Object Management Group

(OMG) 24, 231, 247Object Modeling Technique

(OMT) 232object name 26, 256Object Pascal 9object persistence 175, 189, 256object pointer 26, 256

See also pointerobject reference variables 57, 94,

256Object Request Broker (ORB) 246,

248, 256object scope 71object serialization 173, 175,

189–95, 256object-based languages 29, 255ObjectInputStream object 190Objective-C language 9, 23






INDEX 275

object-orientation. See OOobject-oriented languages. See

OO languagesobject-oriented programming

language (OOPL) 23object-oriented systems 230ObjectOutputStream object 190objects 24, 50, 255

creating 50–2diagramming 26–7Java arrays as 158options for storing 175persistence of 175, 189, 256physical allocation to

different platforms 246physical distribution of

objects 246retrieving 190storing for future access 189wrapping around data 94

ObjectSerializationDemo.javaprogram 191–5

occurs clause in COBOL 153ODBC (Open Database

Connectivity) standard 185OMG (Object Management

Group) 24, 231, 247ON SIZE ERROR clause in

COBOL 87OneDimArrayDemo.java

program 158–60one-dimensional arrays 256

declaring 152–5in Java 151populating 155–7

OO (object-orientation)analysis 23, 232design 231, 233–5development 22, 229–46

history of 22–4of Java 9methodologies 231modeling 24as a new paradigm in

software development 16programming 27software 18

OO (object-oriented)languages 9, 29, 256

OO design 23OOPL (object-oriented

programming language) 23OPEN (Object-Oriented

Process, Environment,and Notation)methodology 232, 256

Open Database Connectivity(ODBC) standard 185

operating systems, providingJVMs 11

operations, defining 42operator precedence, rules of 76operators 49, 133OR (||) Java logical operator 110,

115, 133OR COBOL operator 133ORB (Object Request Broker) 246,

248, 256ordinal values 123output, displaying in Java 57output stream 174

Ppackage diagrams 233, 235, 256packages 246, 256panels 220, 256paragraph name in

PERFORM statements 131






276 INDEX

parameter listin a method 46in a method header 54

parameters 54, 256parent. See superclassparentheses, following

method names 50PART-WHOLE relationship 33

See also aggregationpassing by reference 166, 256passwords, creating a text

field for 205PD (problem domain) classes 234,

257percent format in

NumberFormat 106PERFORM statements

in COBOL 129using to write loops 131

performance issues 247PERFORM-UNTIL statement 132PERFORM-VARYING

statementin COBOL 168writing nested loops in

COBOL 143PERFORM-VARYING-AFTER

statement 144PERFORM-VARYING-UNTIL

statement 140period (.), terminating

COBOL statements 45persistent object 175, 189,

256PI constant in the Math class 100PIC X in COBOL 45PICTURE clause in COBOL 67platform independence of

Swing components 197–9

platformscompilers for multiple 10multitude available 10running across all 5running Java on multiple 11

pointer 57See also object pointer

polymorphism 37, 256populating

one-dimensional arrays155–7

two-dimensional arrays162–6

portability 256guaranteed by bytecodes

and JVM 11of Java 10–12sacrificed by producing

executable Java code 248PostChecksGUI.java program 235

GUI window displayed by 239validating input data and

calling recordACheck() 240post-decrement operator

(i– –) 253post-increment operator

(i++) 254post-test loops 130–257

coding in COBOL 137indicating in COBOL 132

pow() method of the Mathclass 99

pre-decrement operator (– –i) 253pre-increment operator (++i) 254pre-test loop 130–257primitive data types 68, 92–3,

257println() method 57

calling to write a data item 177






INDEX 277

passing an array element to 166of System.out 74, 75

PrintStream object 177private accessibility 257

for attributes 45, 60for a method 46

problem domain (PD) classes 234,257

procedural statements,populatingtwo-dimensional arraysin COBOL 162

procedure division code,assigning values to anarray 156

processing function 234program code, locating this

book’s 17program components in

COBOL 234program documentation,

comments producing 49program functions, isolating 235program switch, defining in

COBOL 167programmers, reasons for

retraining in Java 15programming jobs on

nationwide job searchweb sites 15

programming languages,sought in technical jobofferings 15

programscompiling 10naming 50structure of Java 41–63

public accessibility 45, 46,257

public class 50pull-down menus 220–5pure object-oriented

language 9, 23, 257

Rrandom() method of the Math

class 99Rational Corporation 231Rational Unified Process

(RUP) 231readLine() method

calling 177inputting data from a URL 195

readObject() method 190real world objects 24recordACheck() class

method 240, 241recordACheck() custom

method 61, 87–9recordACheck() instance

method 243recordACheck() methods 236recording checks, sequence

diagram for 237redefines clause in COBOL 156reference variable 166, 257relational databases 181

See also Access relationaldatabase

relational expressions 125relationships

among classes 28connecting relational

database tables 181Remote Method Invocation

(RMI) 257restricted accessibility 46, 257ResultSet class 184






278 INDEX

ResultSet object 186return data type 46, 52return statement 52, 257right-alignment of

components within acontainer 220

RMI (Remote MethodInvocation) 257

round() method 99, 100,102

ROUNDED clause in COBOL 100,101

round(float) method 100rounding

in COBOL 101COBOL compared to Java 100in Java 102

roundOff() method 102, 146rows

in a relational database 181in a two-dimensional array 160

Rumbaugh, Jim 24runtime, validation at 39RUP (Rational Unified

Process) 231

Sscenarios, depicting a system 237scope 257

of variables 66, 71scope terminating statements,

not provided in Java 45SCRUM 232SDM (systems development

methodology) 231, 258SEARCH verb in COBOL 167searching arrays 167–71Select statement of SQL 182

semicolon (;)placing in a switch

statement 126terminating Java statements 45

sequence diagrams 232, 237, 257sequential file I-O 175–81sequential files

conceptual steps for properOO programming 181

defining in COBOL 175storing Java data in 176

SequentialFileDemo.javaprogram 177–81

Serializable interface 191service charges, computing 109,

118–21, 123–6servlet 6, 257set, beginning a mutator

method 52setJMenuBar method 220setLayout method 205, 214short data type 68, 78, 92simplicity of Java 8Simula simulation language 23single inheritance 30, 257single line comment 48single quotes, enclosing single

character data values 70single-level table in COBOL 151slash-asterisk (/*), beginning

a multiple line comment 48Smalltalk language 8, 23socket 195, 257Socket class in the java.net

package 195Socket object 195solid lines in a sequence

diagram 237






INDEX 279

source object 257SOUTH region of the content

pane 215special characters 178SQL (Structured Query

Language) 182–4, 257SQL package. See java.sql

packageSQL Select statement 185SQL statement, exceptions

resulting from 187SQLException exception class 184sqrt() method of the Math

class 99Statement class of java.sql 184Statement object 185statements

executing more than one 113terminating with a

semicolon (;) 45static (class) methods 100static binding 39, 257static constants in the Math

class 100static keyword 72, 81, 258static method 168, 258static variables 71stream. See data streamsstring 45string arrays 157–60String class 258

methods provided by 73provided by Java 73

String class program 66String objects

comparing the contents oftwo 73

as complex data types 73

string objects, length of 75string value, converting back

to an integer 95String variable

containing the SQL Selectstatement 185

containing URL databaseidentification 185

StringBuffer class 76StringDemo.java program 74–6Structured Query Language.

See SQLsubclasses 29, 58,

258at Community National

Bank 31inheriting from

superclasses 29subprograms, compared to

Java methods 54subscripts 258

accessing atwo-dimensional table inCOBOL 161

in COBOL 153substring() method 74, 75subtract (–) arithmetic

operator 98SUBTRACT statement in

COBOL 98Sun Microsystems 4, 5superclass 29, 58, 65,

258Swing buttons 209Swing class names 199Swing classes, hierarchy of 199Swing components 197–9Swing package 197, 202






280 INDEX

SwingConstants.RIGHTparameter 219

Switch block, boundaries of 126switch statements 108, 121

compared to COBOLEVALUATE 123

computing service charges125–6

nested 125System.out class 75systems development

methodology (SDM) 231,258

TTable Look Up in COBOL 167tables

defining two-dimensionalin COBOL 160

in a relational database 181technical job offerings,

programming languagessought 15

technology architecture,decisions regarding 246

terminate() methodof Checking-

AccountDA.java 236of Checking-

AccountPD.java 236terminating condition, testing

in loops 130termination of loops, Java

compared to COBOL 137ternary association 35, 258text fields. See also fields

adding to a window 205–8clearing the text from 214

creating for passwords 205in a GUI 198preloading with text 208

text filereading data from 177writing in Java 176

text-based user interface,switching to a GUI 234

three-tier design 235–46, 248,258

three-tiered system 246throwing exceptions 84, 258tiers in technology

architecture 246title bar in a GUI 198toString() Integer class

method 95transient object 175, 258truncated double value 99truncation errors

avoiding for mixed datatypes 93

avoiding in Java 78truncation of data in COBOL 78try block, execution of 85try-catch structure 84–6

for println() 178for readLine() 178for writeObject() 192

TwoDimArrayDemo.javaprogram 163–6

two-dimensional arrays 160, 258declaring 160–2populating 162–6

two-tiered client-serversystems 246

type casting 93, 258See also casting






INDEX 281

UUI (user interface) classes 234UML (Unified Modeling

Language) 24, 231, 258modeling requirements

using 232physical distribution of

objects 246UML notation 24, 26

for a class 26showing aggregation 33

unary association 35, 258Unicode character set 68, 174, 258unified process 231updateAccount() method 236,

244URL (Uniform Resource

Locator) 185URL object 195URLConnection object 195USAGE clause in COBOL 68use cases 232user interface (UI) classes 234user requirements, modeling 232users, actions performed by 199

VVALUE clauses

assigning values tovariables in COBOL 70

establishing values for aCOBOL array 155

populatingtwo-dimensional arraysin COBOL 162

valueOf() Integer classmethod 95

variable definition statements 46

variables 42, 259assigning values to 47, 69beginning with lowercase 50changing data types 76declaring outside a loop 141defining in Java 68evaluating the contents of

123naming 49, 68scope of 66, 71

verbs, including in methodnames 50

virtual machine 10void data type 46

Wweb browsers


loading and executingapplets 226

web page, placing an AppletHTML tag in 226

web-based Java applets 18WEST region of the content

pane 215while clause

at the end of a do-whileloop 137

placement in while and doloops 138

while loopscompared to do loops 138printing the numbers 1

through 5 133writing 147

while statement, writingpre-test loops 132






282 INDEX

WhileLoopDemo.javaprogram 135–6

modifying to demonstratethe for statement 142

modifying to use the dostatement 138

WHOLE relationship 33WIDTH variable 201, 202window events 227windowClosing() method 227windows

adding buttons to 209–14adding labels to 203–5adding text fields to 205–8closing 202displaying 201in a GUI 198improving the layout of 214–20

WITH TEST AFTER(post-test) clause 131

WITH TEST BEFORE(pre-test) clause 131

WORKING-STORAGESECTION of a COBOLprogram 54

World Wide Web access 195wrapper classes 83, 93–8,

259WrapperDemo.java program 96–8writeObject() method 190

XXerox Palo Alto Research

Center (PARC) 23XML (Extensible Markup

Language) 13

ZZipCodeProcessor.java

program 169–71






Documents

Marketing Fragment 6 x 10.Long - Cambridge University Pressassets.cambridge.org/.../index/9780521546843_index.pdf · CD-ROM with this book 58 CENTER region of the content pane 215