Index

Note to the reader: Throughout this index boldfaced page numbers indicate primary discussions of a topic. Italicized page numbers indicate illustrations.

Symbols and Numbers

- operator

-- unary operator

& (ampersand; AND) operator

! (logical NOT) operator

&& (AND) conditional operator

* (asterisk)

, (comma)

. (period; dot)

; (semicolon)

@Override annotation

[ ] (brackets)

^ (caret) operator

|| (OR|) conditional operator

| (pipe; OR) operator

~ (bitwise NOT) operator

+ operator

++ unary operator

< (less than) operator

== (equality operator)

> (greater than) operator

0b prefix

A

abstract classes

abstract keyword

abstract methods, integrating into concrete methods

abstract references, concrete references vs.

abstract types

abstracting

abstraction

AbstractStringBuilder class

access modes

access modifiers

access operator

access rights, protected keyword and

accessor methods

actors

add() method (ArrayList class)

addAll() method (ArrayList class)

additive operators

AND (&) operator

AND (&&) conditional operator

anonymous arrays

append() method (StringBuilder class)

args array

arraycopy() method (System class)

ArrayIndexOutOfBoundsException

ArrayList API, consuming

ArrayList class

arrays. See also one-dimensional array

Arrays class

assignment operators

associativity, for operators

asterisk (*)

auto-boxing

automatic variables

B

bad data

bank.services package

bean model

behavior of object, methods combining with object state

binary operators, shift operators as

binarySearch() method (Arrays class)

bit fields

bitwise complement of zero

bitwise operators

boilerplate

Boolean class, parameters for constructor

Boolean expression

boolean variable type

boxing

braces

brackets ([ ])

break statement

bug

Byte class, parameters for constructor

byte variable type

bytecode

C

caching

called method

calling method

capacity() method (StringBuilder class)

capacity, mutable, for ArrayList

caret (^) operator

cascading execution, in switch statement

case labels, for switch statement

case sensitivity, of methods

casting objects

casting operator

catch block

catch or declare requirement

catching checked exceptions

chaining

char variable type

character array, String object as

Character class, parameters for constructor

charAt() method (StringBuilder class)

CharSetEncoder class

CharsetEncoder class

checked exceptions

child class

class dependencies

.class files

class interface

class members

classes

classpath environment variable

clear() method (ArrayList class)

clone() method (Object class)

code block separators, for while loop

code, compiling and executing

code review

CodeMalfunctionError

cohesion

cohesiveness of interface

Collection interface

collections

Collections API

comma (,)

comments, in code

communication, methods for

compiler, complaints from

compiling classes

complement of Boolean expression

composition of elements

composition relationship, vs. inheritance relationship

compound operators

concat() method (String class)

concatenation operators

concrete methods, integrating abstract into

concrete references, abstract references vs.

concrete referent

concrete type

conditional operators

constant

construction process

constructors

contains() method (ArrayList class)

context

copyOf() method (Arrays class)

counter variables

coupling objects, with constructors

-cp flag, for java program

current object, this keyword to refer to

D

data. See also encapsulating data

data types. See types

declarations

decrementing variables

default access mode

default access modifier

default constructor

default initialization

default package, source-code file as

delete() method (StringBuilder class)

dependencies

diagrams, for visualizing classes

directories, for packages

do/while loops

documentation

dot (. period)

Double class, parameters for constructor

double variable type

E

Eclipse

else statement

email server, well-known port for

encapsulating data

ensureCapacity() method (ArrayList class)

enum type

enumeration

equality contract, final keyword and

equality in Java

equality operator (==)

equals() method (Object class)

Error class

errors in Java

Exception class

exceptions

eXclusive OR (XOR) operator

execution, recover and continue

explicit cast

expressions

expressive syntax

expressiveness

extending

extends keyword

F

factory method

Factory Pattern

failure, planning for

false value

fields

FileNotFoundException

files, for classes

fill() method (Arrays class)

final classes

final keyword

final method, in Template Method pattern

finalize() method (Object class)

finally block

flags

Float class, parameters for constructor

float variable type

floating-point values

for each loops

for loops

FQPN (fully qualified package name), for class

FreeCopy class

functional method

functions. See also methods

future-proofing

G

garbage collection

generalization

generics

get methods

getConnected() method

getFile() method

getInstance() method

goto statement

greater than (>) operator

GridBagConstraints class

grouping rules

H

has-a relationship

hasNext() method (Iterator interface)

"Hello World" example

Helper class

hiding

I

IDEs (integrated development environments)

if/else statement

if statement

IllegalArgumentException class

immutability, of String referent

implementation details

implementation, of interface methods

implicit casting

import statements

importing Java classes, 10–

incrementing variables

indented code

index, for array

indexed elements, in arrays

infinite loop

infix notation

inheritance

inherited code

inherited method

initialization

inner classes

inner loop

insert() method (StringBuilder class)

instance variable, declaring

instanceof keyword

instantiating

int variable type

Integer class, parameters for constructor

integer values, primitives for

integrated development environments (IDEs)

Intellil, IDEA

interfaces

intern pool

InternalError class

InterruptedException

InterruptionException object

invalid method declaration error

inversion-of-control principle

IOException class

is-a relationship

isEmpty() method (ArrayList class)

isJavaIdentiferPart() method

isJavaIdentifierStart() method

iterability of Collections types

iterating over multiple data. See also while loops

Iterator interface

iterator() method (Collections)

J

Java

Java compiler

Java core libraries, exam focus on

Java Development Kit (JDK)

.java file extension

Java file, order of statements

Java Language Specification (JLS)

Java SE 7 version

Java Virtual Machine (JVM)

java.awt package, GridBagConstraints class

JavaBeans Component API

java.beans package

java.io.Externalizable interface

java.io.FileNotFoundException class

java.io.PrintStream object

java.io.Serializable class

java.io.Serializable interface

java.lang package

java.lang.Math class

java.lang.Object class

java.lang.SecurityManager class

java.lang.String class

java.lang.Throwable class

java.nio.file.Files class

java.util package, . See also ArrayList class

java.util.Collections class

JDK (Java Development Kit)

JLS (Java Language Specification)

JVM. See Java Virtual Machine (JVM)

K

keywords in Java

L

labeled statements

labels, for switch statement

LawnServices interface

length() method (StringBuilder class)

length property of arrays

less than (<) operator

life cycle, of Java objects

lifetime

LinkageError

List interface, for ArrayList class

lists, arrays and

local variables

logical operators

Long class, parameters for constructor

long variable type

loops

loose coupling

M

main() method

maintainability

marker interface

members of class

memory management

message

method interface

methods

missing return statement error

multi-dimensional array

multiplicative operators

MultTable class, offset technique in

mutability

mutator methods

N

names

namespace

naming scheme, in bean model

native keyword

navigability in UML

NegativeArraySizeException class

nested braces, for component arrays

nested logic approach

nested loop

NetBeans

new keyword

next() method (Iterator interface)

no-arg constructor

no-op statement

non-public classes

non-public constructors, reasons for use

non-static context

NOT operators

null keyword

NumberFormatException object

O

object equality, vs. object state

object fields, reading and writing

object-oriented languages

object references

object state, vs. object equality

objects

one-dimensional array

operands

operations

operators in Java

OR (||) conditional operator

OR (|; pipe) operator

Oracle Certified Associate

order of parameters, overloading by

order of precedence

out (output stream)

out-of-bounds errors

outer braces, for arrays

outer loop

OutOfMemoryError class

overloading

@Override annotation

overriding

P

package-aware classes, access modifiers with

package-private

packages

parameter list, for main() method

parameters

parent class

parent constructor

parent-first construction model

Parent() has private access in Parent error

parent method, adding to code from

parentheses

parseArray() method

partial initialization

pass-by-value

period (. dot)

pipe (|; OR) operator

pixel

planning

Point3D class

polymorphic behavior

populating array

possible loss of precision

postfix notation

postfix/prefix operators

precedence, for operators

precision

primitives

printing, object references

println() method, for observing change

printStackTrace() method

private access modifier

private constructors

private fields, vs. public

private members of parent class

procedural methods

procedures. See also methods

program, goals

program state

properties

protected access modifier

protected keyword, access rights and

proxy construction class

pseudocode

public classes, need for

public constructor

public fields, vs. private

public keyword

public method

pure type

R

realization, in UML

refactoring

reference

reference parameters

referent

registers

regression

relational operators

releasing system resources

remove() method (ArrayList class)

removeRange() method (ArrayList class)

replace() method (String class)

return keyword

return types, for methods

returned value

reverse() method (StringBuilder class)

Reverse Polish Notation

robust program, response to exceptions

run() method

RuntimeException class

S

scope

scope-based breaks

SecurityException class

semicolon (;)

separators

sequence diagram in UML

Serializable interface

serializing object

service loop

service time

set methods

setCharAt() method (StringBuilder class)

setObject() method

sets

shift operators

shifting operators

short-circuit operators

Short class, parameters for constructor

short variable type

side effects of methods, inducing

signature

Simple Mail Transfer Protocol (SMTP)

size() method (ArrayList class)

sleep() method (Thread class)

sort() method (Arrays class)

spaghetti code

specializing

stack trace

StackOverflowError class

state of object

statements, semicolon as terminator

static keyword

static members

step operation

strictfp keyword

String class

String object, as character array

String referent, immutability of

String type

StringBuilder class

strings, creating and manipulating

“stubbing out” abstract methods

subclasses

subpackages

substring() method (StringBuilder class)

super keyword

switch statement

synchronized keyword

sysPrint() method

system configuration

system resources

System.arraycopy() method

System.err.print() method

System.exit() method

System.out.println() method

T

tagging interface

Template Method pattern

temporary variable

terminal condition for loop, managing

ternary operator

test code

testing, changing condition for while loop

TestResources object

third-party code packages

this keyword

Thread class, sleep() method

three-dimensional array, declaring

throw statement

Throwable class

throwing exception

throws keyword

tight coupling

toArray() method (ArrayList class)

toCharArray() method

tokens, as operators

toLowerCase() method (String class)

traversing collection

trimToSize() method (ArrayList class)

trimToSize() method (StringBuilder class)

true value

truth functions

try-catch block

two-dimensional array, declaring

two’s complement scheme

type-safe language, Java as

type safety

type system

types

U

unary operators

unchecked exceptions

Unicode character set

Unified Modeling Language (UML)

unit testing

UnknownError class

UnknownHostException class

unreachable code, in for loops

UnsupportedOperationException class

use case

user

utility class

utility methods

V

validating incoming parameters

varargs feature

variable scope

variable stack

variables

variation, planning for

-verbose flag

-version flag

VirtualMachineError class

visibility

void keyword

W

while loops

white space

wildcard, for importing all classes from package

wrapper classes

writing code, indented format

X

XOR (eXclusive OR) operator

Z

zero, bitwise complement of

zero elements, array with