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Index: U

Uicode character set, subset: 12. The java.lang Package

unary (~) operator (see bitwise complement operator)

unary minus (-): 2.5.2. Arithmetic Operators

uncaughtException( ) (ThreadGroup): 12. The java.lang Package

UndeclaredThrowableException: 14. The java.lang.reflect Package

14. The java.lang.reflect Package

undecremented values: 2.5.4. Increment and Decrement Operators

underscore (_) in identifier name: 2.3. Identifiers and Reserved Words

unicast events (JavaBeans): 6.1. Bean Basics

Unicode character set: 2.1. The Unicode Character Set

7.1. Naming and Capitalization Conventions
PrintStream class and: 11. The java.io Package
UnicodeBlock class: 12. The java.lang Package
UTFDataFormatException: 11. The java.io Package

Unicode currency symbols: 2.3. Identifiers and Reserved Words

uniform resource locators (see URLs)

UnknownError: 12. The java.lang Package

UnknownHostException: 16. The java.net Package

UnknownServiceException: 16. The java.net Package

unmodifiable methods (Collection): 23. The java.util Package

unread( )

PushbackInputStream class: 11. The java.io Package
PushbackReader class: 11. The java.io Package

UnrecoverableKeyException: 17. The java.security Package

unreliable datagram packets: 16. The java.net Package

UnresolvedPermission class: 17. The java.security Package

UnsatisfiedLinkError: 12. The java.lang Package

unsigned right shift (>>>) operator: 2.5.7. Bitwise and Shift Operators

UnsupportedClassVersionError: 12. The java.lang Package

UnsupportedEncodingException: 11. The java.io Package

UnsupportedOperationException: 12. The java.lang Package

23. The java.util Package
23. The java.util Package
23. The java.util Package

until loop: 1.3.2.12. Looping and computing the factorial

untrusted code: 5. Java Security

update( )

Checksum interface: 25. The java.util.zip Package
Cipher class: 26. The javax.crypto Package
MessageDigest class: 17. The java.security Package
Observable class: 23. The java.util Package
Observer interface: 23. The java.util Package
Signature class: 17. The java.security Package

URL class: 4.11. Networking

input/output streams and: 4.11. Networking

URL (Uniform Resource Locators)s: 4.11. Networking

URLClassLoader class: 16. The java.net Package

URLDecoder class: 16. The java.net Package

URLEncoder class: 16. The java.net Package

URLs, Java language specification: 2. Java Syntax from the Ground Up

URLs (Uniform Resource Locators)

examples in this book: 0.5. Examples Online

HttpURLConnection class: 16. The java.net Package

InfoBus standard extension: 6. JavaBeans

JAR archive URLs: 16. The java.net Package

Java Activation Framework standard extension: 6. JavaBeans

Java programming: 0.4. Java Programming Resources Online

tutorial: 1.3.3. Exceptions

JavaBeans conventions: 6. JavaBeans

6. JavaBeans

MalformedURLException: 16. The java.net Package

portability certification program (Sun): 7.2. Portability Conventions and Pure Java Rules

quick reference material, generating: 0.8. How the Quick Reference Is Generated

SDK: 1.3.1. Compiling and Running the Program

security: 5.5.3. Security for System Administrators

URL class: 16. The java.net Package

16. The java.net Package

URLConnection class: 16. The java.net Package

16. The java.net Package

URLStreamHandler class: 16. The java.net Package

URLStreamHandlerFactory interface: 16. The java.net Package

useProtocolVersion( ) (ObjectOutputStream): 11. The java.io Package

user preference files, Properties class and: 4.6. Collections

username and password, encapsulating: 16. The java.net Package

users, security and: 5.5. Security for Everyone

UTF-8 encoding, UTFDataFormatException: 11. The java.io Package

UTFDataFormatException: 11. The java.io Package

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