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# O

Oak language : Java's Origins (EXJ)
Object( ) : Object (JFC)
Object (class)

Relationships and Finger Pointing (EXJ)
The Object and Class Classes (EXJ)

object attribute (<applet> tag) : Embedding an Applet in a Web Page (JLR)
OBJECT attribute (<APPLET> tag)

Applet Changes (NUT)
Serialized Applets (NUT)
The <APPLET> Tag (NUT)

Object class

Superclasses, Object, and the Class Hierarchy (NUT)
Reserved Method Names (NUT)

OBJECT parameter (<APPLET> tag) : The Applet Tag (AWT)
object serialization

The java.io Package (JFC)
Object Serialization Basics (JFC)
The java.io Package (JFC)
Object Serialization (NUT)
Simple Serialization (NUT)
API for : Advanced Serialization (NUT)
applets

Applet Changes (NUT)
Serialized Applets (NUT)

class versioning av nd : Serialization and Class Versioning (NUT)
classes and : ObjectStreamClass (JFC)
exceptions : ObjectStreamException (JFC)

InvalidClassException : InvalidClassException (JFC)
InvalidObjectException : InvalidObjectException (JFC)
NotActiveException : NotActiveException (JFC)

Externalizable interface

Object Serialization (NUT)
Custom Serialization (NUT)
Advanced Serialization (NUT)
(Reference page) (NUT)

NotSerializableException : (Reference page) (NUT)
ObjectStreamException : (Reference page) (NUT)
Serializable interface

Writing Classes to Work with Serialization (JFC)
Serializable (JFC)
Object Serialization (NUT)
Custom Serialization (NUT)
(Reference page) (NUT)

StreamCorruptedException : StreamCorruptedException (JFC)
WriteAbortedException exception : WriteAbortedException (JFC)

object-oriented programming

Object-Oriented (NUT)
A Scribble Applet (NUT)
Classes and Objects in Java (NUT)

object-oriented style : Object-Orientation Java Style (JLR)
ObjectInput interface : ObjectInput (JFC)
ObjectInputStream class : ObjectInputStream (JFC)
ObjectInputValidation interface : ObjectInputValidation (JFC)
ObjectOutput interface : ObjectOutput (JFC)
ObjectOutputStream class : ObjectOutputStream (JFC)
objects

Objects (NUT)
Introduction to Classes and Objects (NUT)
Reference Types (JLR)
Object-Orientation Java Style (JLR)
Object Creation (JLR)
Class Instances and Objects (EXJ)
Objects in Java (EXJ)
Glossary (EXJ)
accessing : Accessing Objects (NUT)
accessing data fields of : Accessing Object Data (NUT)
accessing variables of : Variable access (EXJ)
applets (see applications)
array (see arrays)

arrays as : Are Arrays Objects? (NUT)
comparing for equality : Checking Objects for Equality (NUT)
copying : Copying Objects (NUT)
creating

Allocation Expressions (JLR)

creating with new operator : Objects Are Instances of a Class (NUT)
destroying (see garbage collection)

Object Destruction (EXJ)

equality of : Equal-To Operator == (JLR)
equivalency of (see equals( ))
Exception (see errors and exceptions)
exception (see exceptions)
finalizing

Object Finalization (NUT)
Glossary (EXJ)

getting from URLs : Getting the Content as an Object (EXJ)
image (see images)
instances (see instances)
InvalidObjectException : (Reference page) (NUT)
modifying simultaneously : The synchronized Statement (NUT)
NullPointerException : (Reference page) (NUT)
Object class

The java.lang Package (JFC)
Object (JFC)
The java.lang Package (NUT)
(Reference page) (NUT)
Specially supported classes (JLR)
Casts (JLR)
Inheritance (JLR)
Object (JLR)

ObjectInput interface : (Reference page) (NUT)
ObjectInputStream class

The java.io Package (JFC)
Object Serialization Basics (JFC)
The java.io Package (JFC)
Simple Serialization (NUT)
The java.io Package (NUT)
(Reference page) (NUT)

ObjectInputValidation class

Advanced Serialization (NUT)
(Reference page) (NUT)

ObjectInputValidation interface : Writing Classes to Work with Serialization (JFC)
ObjectInvalidException : Writing Classes to Work with Serialization (JFC)
ObjectOutput interface : (Reference page) (NUT)
ObjectOutputStream class

The java.io Package (JFC)
Object Serialization Basics (JFC)
The java.io Package (JFC)
Simple Serialization (NUT)
The java.io Package (NUT)
(Reference page) (NUT)

ObjectStreamClass class

Serialization and Class Versioning (NUT)
(Reference page) (NUT)

pointers to (see references)
positioning and sizing : Component Methods (AWT)
resurrection of : Object Finalization (NUT)
security manager : Security Manager (EXJ)
signatures for (see hashcodes)
string (see strings)
String (see strings)
validating (see validation)

Advanced Serialization (NUT)

Vector class : (Reference page) (NUT)

ObjectStreamClass class : ObjectStreamClass (JFC)
ObjectStreamException class : ObjectStreamException (JFC)
Observable class

Observable (JFC)
The java.util Package (NUT)
(Reference page) (NUT)

Observer interface

Observer (JFC)
The java.util Package (NUT)
(Reference page) (NUT)

obtaining source code : About the Source Code (AWT)
octal literals

Integer literals (JLR)

octal numbers : Integer literals (EXJ)
OctalDigit characters : Integer literals (JLR)
off-screen drawing : Off-Screen Drawing (EXJ)
offScreenImage (variable) : Double Buffering (EXJ)
OffScreenImageSource class : A Brief Tour of sun.awt.image (AWT)
okToUseGui( ) : (Reference page) (NUT)
old keyword (in C) (see garbage collection)
online documentation : Online Resources (JLR)
openConnection( ) : URLStreamHandler (JFC)

HttpURLConnection class : (Reference page) (NUT)
URL class

URL (JFC)
(Reference page) (NUT)

URLStreamHandler class : (Reference page) (NUT)

openStream( )

URL Objects (JFC)
(Reference page) (NUT)
URL class : URL (JFC)

openStream( ) : Stream Data (EXJ)
operating system : Environment (NUT)
operating system information : System Properties (EXJ)
operators

Operators (NUT)
Operators (JLR)
Operators (EXJ)
additive : Additive Operators (JLR)
assignment

Operators (JLR)
Assignment Operators (JLR)

associativity of : Order of Operations (JLR)
bitwise/logical : Bitwise/Logical Operators (JLR)
boolean : Boolean Operators (JLR)
cast : Casts (JLR)
conditional (?:) : Conditional Operator (JLR)
equality : Equality Comparison Operators (JLR)
increment/decrement

Field Expressions (JLR)
Increment/Decrement Operators (JLR)

list of : Operators (NUT)
multiplicative : Multiplicative Operators (JLR)
prcedence of : Order of Operations (JLR)
relational : Relational Comparison Operators (JLR)
shift : Shift Operators (JLR)
unary : Unary Operators (JLR)

optimistic single-threaded execution

Optimistic Single-Threaded Execution (JFC)
Optimistic Single-Threaded Execution (JLR)

optimization of class files : javac (NUT)
option menus : (Reference page) (NUT)
OptionalDataException

OptionalDataException (JFC)
(Reference page) (NUT)

or( )

BigInteger class : BigInteger (JFC)
BitSet class : BitSet (JFC)

OR (^) operator, bitwise

Bitwise/Logical Exclusive OR Operator ^ (JLR)
Operators (EXJ)

OR (^) operator, boolean : Operators (EXJ)
OR (|) operator : Operators (NUT)
OR (|) operator, bitwise

Bitwise/Logical Inclusive OR Operator | (JLR)
Operators (EXJ)

OR (|) operator, boolean : Operators (EXJ)
OR (||) operator, boolean : Boolean OR Operator || (JLR)
OR (||) operator, conditional : Operators (EXJ)
order of evaluation

Statements and Expressions (EXJ)
Operators (EXJ)

order of operations : Order of Operations (JLR)
ordinaryChar( )

StreamTokenizer (JFC)
(Reference page) (NUT)

ordinaryChars( )

StreamTokenizer (JFC)
(Reference page) (NUT)

OrientableFlowLayout layout : OrientableFlowLayout (AWT)
orientHorizontally( ) : OrientableFlowLayout (AWT)
orientVertically( ) : OrientableFlowLayout (AWT)
origin

coordinate space : Graphics Methods (AWT)
GridBagLayout layout : GridBagLayout Methods (AWT)

origin, graphics context : Drawing Methods (EXJ)
os.arch : System Properties (EXJ)
os.name : System Properties (EXJ)
os.version : System Properties (EXJ)
out (see System.out)
out variable

System (JFC)
System (JLR)

out-of-range values : Math Utilities (EXJ)
OutOfMemoryError

OutOfMemoryError (JFC)
(Reference page) (NUT)
Errors (JLR)

OutOfMemoryException : Glossary (EXJ)
output

The java.io Package (JFC)
I/O (JFC)
InterruptedIOException : InterruptedIOException (JFC)
IOException : IOException (JFC)
ObjectOutput interface : ObjectOutput (JFC)
OutputStreamWriter class : OutputStreamWriter (JFC)

output streams

Output Streams and Writers (JFC)
The java.io Package (JFC)
BufferedOutputStream class

BufferedWriter and BufferedOutputStream (JFC)
BufferedOutputStream (JFC)
The java.io Package (NUT)
(Reference page) (NUT)

ByteArrayOutputStream class

CharArrayWriter and ByteArrayOutputStream (JFC)
ByteArrayOutputStream (JFC)
The java.io Package (NUT)
(Reference page) (NUT)

CheckedOutputStream class

CheckedOutputStream (JFC)
(Reference page) (NUT)

DataOutputStream class

DataOutputStream (JFC)
DataOutputStream (JFC)
The java.io Package (NUT)
(Reference page) (NUT)

DeflaterOutputStream class

DeflaterOutputStream (JFC)
The java.util.zip Package (NUT)
(Reference page) (NUT)

FileOutputStream class

FileWriter and FileOutputStream (JFC)
FileOutputStream (JFC)
The java.io Package (NUT)
(Reference page) (NUT)

FilterOutputStream class

FilterOutputStream and FilterWriter (JFC)
FilterOutputStream (JFC)
The java.io Package (NUT)
(Reference page) (NUT)

GZIPOutputStream class

The java.util.zip Package (JFC)
GZIPOutputStream (JFC)
(Reference page) (NUT)

ObjectOutputStream class

The java.io Package (JFC)
ObjectOutputStream (JFC)
The java.io Package (NUT)
(Reference page) (NUT)

OutputStream class

The java.io Package (JFC)
OutputStream (JFC)
OutputStream (JFC)
The java.io Package (NUT)
(Reference page) (NUT)

OutputStreamReader class : The java.io Package (JFC)
OutputStreamWriter class

OutputStreamWriter (JFC)
Character Encodings (NUT)
(Reference page) (NUT)

PipedOutputStream class

PipedInputStream and PipedReader (JFC)
PipedOutputStream and PipedWriter (JFC)
PipedOutputStream (JFC)
The java.io Package (NUT)
(Reference page) (NUT)

PrintStream class

PrintWriter and PrintStream (JFC)
I/O (JFC)
PrintStream (JFC)

StreamCorruptedException : (Reference page) (NUT)
ZipOutputStream class

ZipOutputStream (JFC)
(Reference page) (NUT)

OutputStream (class)

Streams (EXJ)
Terminal I/O (EXJ)

OutputStreamWriter (class) : Streams (EXJ)
OutputStreamWriter class : OutputStreamWriter (JFC)
ovals : Graphics Methods (AWT)
overloaded methods

Method Overloading (NUT)
Method Overloading (NUT)
Method Call Expression (JLR)
Method name (JLR)

overloading : Syntactic Sweet 'n Low (EXJ)

add( ) : Layout managers (EXJ)
constructors : Working with Overloaded Constructors (EXJ)
equals( ) : Equality (EXJ)
indexOf( ), lastIndexOf( ) : Searching (EXJ)
methods

Method Overloading (EXJ)
Method Overloading (EXJ)
Glossary (EXJ)

print( ) : Print streams (EXJ)

overridden methods : Overriding Methods (NUT)
overriding (see action( ))

action( ) (see action( ))
equals( ) : Equality (EXJ)
handleEvent( ) : Overriding handleEvent() (AWT)
imageUpdate( ) : Overriding imageUpdate (AWT)
methods

Overriding Methods (EXJ)
Glossary (EXJ)

overriding methods

Variable name (JLR)
Method name (JLR)
Method throws clause (JLR)

owner, clipboard

ClipboardOwner Interface (AWT)
ClipboardOwner (AWT)

owner, contents : Clipboard Methods (AWT)

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