J2ME Foundation
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U

UK - Static variable in class java.util.Locale
Useful constant for country.
UNASSIGNED - Static variable in class java.lang.Character
Public data for enumerated Unicode general category types.
uncaughtException(Thread, Throwable) - Method in class java.lang.ThreadGroup
Called by the Java Virtual Machine when a thread in this thread group stops because of an uncaught exception.
UNDECIMBER - Static variable in class java.util.Calendar
Value of the MONTH field indicating the thirteenth month of the year.
UndeclaredThrowableException - exception java.lang.reflect.UndeclaredThrowableException.
Thrown by a method invocation on a proxy instance if its invocation handler's invoke method throws a checked exception (a Throwable that is not assignable to RuntimeException or Error) that is not assignable to any of the exception types declared in the throws clause of the method that was invoked on the proxy instance and dispatched to the invocation handler.
UndeclaredThrowableException(Throwable) - Constructor for class java.lang.reflect.UndeclaredThrowableException
Constructs an UndeclaredThrowableException with the specifed Throwable.
UndeclaredThrowableException(Throwable, String) - Constructor for class java.lang.reflect.UndeclaredThrowableException
Constructs an UndeclaredThrowableException with the specified Throwable and a detail message.
UNINITIALIZED - Static variable in class java.security.Signature
Possible Signature.state value, signifying that this signature object has not yet been initialized.
UNKNOWN - Static variable in class java.awt.ComponentOrientation
Indicates that a component's orientation has not been set.
UnknownError - error java.lang.UnknownError.
Thrown when an unknown but serious exception has occurred in the Java Virtual Machine.
UnknownError() - Constructor for class java.lang.UnknownError
Constructs an UnknownError with no detail message.
UnknownError(String) - Constructor for class java.lang.UnknownError
Constructs an UnknownError with the specified detail message.
UnknownHostException - exception java.net.UnknownHostException.
Thrown to indicate that the IP address of a host could not be determined.
UnknownHostException() - Constructor for class java.net.UnknownHostException
Constructs a new UnknownHostException with no detail message.
UnknownHostException(String) - Constructor for class java.net.UnknownHostException
Constructs a new UnknownHostException with the specified detail message.
UnknownServiceException - exception java.net.UnknownServiceException.
Thrown to indicate that an unknown service exception has occurred.
UnknownServiceException() - Constructor for class java.net.UnknownServiceException
Constructs a new UnknownServiceException with no detail message.
UnknownServiceException(String) - Constructor for class java.net.UnknownServiceException
Constructs a new UnknownServiceException with the specified detail message.
unmodifiableCollection(Collection) - Static method in class java.util.Collections
Returns an unmodifiable view of the specified collection.
unmodifiableList(List) - Static method in class java.util.Collections
Returns an unmodifiable view of the specified list.
unmodifiableMap(Map) - Static method in class java.util.Collections
Returns an unmodifiable view of the specified map.
unmodifiableSet(Set) - Static method in class java.util.Collections
Returns an unmodifiable view of the specified set.
unmodifiableSortedMap(SortedMap) - Static method in class java.util.Collections
Returns an unmodifiable view of the specified sorted map.
unmodifiableSortedSet(SortedSet) - Static method in class java.util.Collections
Returns an unmodifiable view of the specified sorted set.
unread(byte[]) - Method in class java.io.PushbackInputStream
Pushes back an array of bytes by copying it to the front of the pushback buffer.
unread(byte[], int, int) - Method in class java.io.PushbackInputStream
Pushes back a portion of an array of bytes by copying it to the front of the pushback buffer.
unread(char[]) - Method in class java.io.PushbackReader
Push back an array of characters by copying it to the front of the pushback buffer.
unread(char[], int, int) - Method in class java.io.PushbackReader
Push back a portion of an array of characters by copying it to the front of the pushback buffer.
unread(int) - Method in class java.io.PushbackReader
Push back a single character.
unread(int) - Method in class java.io.PushbackInputStream
Pushes back a byte by copying it to the front of the pushback buffer.
UnrecoverableKeyException - exception java.security.UnrecoverableKeyException.
This exception is thrown if a key in the keystore cannot be recovered.
UnrecoverableKeyException() - Constructor for class java.security.UnrecoverableKeyException
Constructs an UnrecoverableKeyException with no detail message.
UnrecoverableKeyException(String) - Constructor for class java.security.UnrecoverableKeyException
Constructs an UnrecoverableKeyException with the specified detail message, which provides more information about why this exception has been thrown.
UnresolvedPermission - class java.security.UnresolvedPermission.
The UnresolvedPermission class is used to hold Permissions that were "unresolved" when the Policy was initialized.
UnresolvedPermission(String, String, String, Certificate[]) - Constructor for class java.security.UnresolvedPermission
Creates a new UnresolvedPermission containing the permission information needed later to actually create a Permission of the specified class, when the permission is resolved.
UnsatisfiedLinkError - error java.lang.UnsatisfiedLinkError.
Thrown if the Java Virtual Machine cannot find an appropriate native-language definition of a method declared native.
UnsatisfiedLinkError() - Constructor for class java.lang.UnsatisfiedLinkError
Constructs an UnsatisfiedLinkError with no detail message.
UnsatisfiedLinkError(String) - Constructor for class java.lang.UnsatisfiedLinkError
Constructs an UnsatisfiedLinkError with the specified detail message.
UnsupportedClassVersionError - error java.lang.UnsupportedClassVersionError.
Thrown when the Java Virtual Machine attempts to read a class file and determines that the major and minor version numbers in the file are not supported.
UnsupportedClassVersionError() - Constructor for class java.lang.UnsupportedClassVersionError
Constructs a UnsupportedClassVersionError with no detail message.
UnsupportedClassVersionError(String) - Constructor for class java.lang.UnsupportedClassVersionError
Constructs a UnsupportedClassVersionError with the specified detail message.
UnsupportedEncodingException - exception java.io.UnsupportedEncodingException.
The Character Encoding is not supported.
UnsupportedEncodingException() - Constructor for class java.io.UnsupportedEncodingException
Constructs an UnsupportedEncodingException without a detail message.
UnsupportedEncodingException(String) - Constructor for class java.io.UnsupportedEncodingException
Constructs an UnsupportedEncodingException with a detail message.
UnsupportedOperationException - exception java.lang.UnsupportedOperationException.
Thrown to indicate that the requested operation is not supported.
UnsupportedOperationException() - Constructor for class java.lang.UnsupportedOperationException
Constructs an UnsupportedOperationException with no detail message.
UnsupportedOperationException(String) - Constructor for class java.lang.UnsupportedOperationException
Constructs an UnsupportedOperationException with the specified detail message.
update(byte) - Method in class java.security.MessageDigest
Updates the digest using the specified byte.
update(byte) - Method in class java.security.Signature
Updates the data to be signed or verified by a byte.
update(byte[]) - Method in class java.security.MessageDigest
Updates the digest using the specified array of bytes.
update(byte[]) - Method in class java.security.Signature
Updates the data to be signed or verified, using the specified array of bytes.
update(byte[]) - Method in class java.util.zip.Adler32
Updates checksum with specified array of bytes.
update(byte[]) - Method in class java.util.zip.CRC32
Updates checksum with specified array of bytes.
update(byte[], int, int) - Method in class java.security.MessageDigest
Updates the digest using the specified array of bytes, starting at the specified offset.
update(byte[], int, int) - Method in class java.security.Signature
Updates the data to be signed or verified, using the specified array of bytes, starting at the specified offset.
update(byte[], int, int) - Method in class java.util.zip.Adler32
Updates checksum with specified array of bytes.
update(byte[], int, int) - Method in interface java.util.zip.Checksum
Updates the current checksum with the specified array of bytes.
update(byte[], int, int) - Method in class java.util.zip.CRC32
Updates CRC-32 with specified array of bytes.
update(int) - Method in class java.util.zip.Adler32
Updates checksum with specified byte.
update(int) - Method in interface java.util.zip.Checksum
Updates the current checksum with the specified byte.
update(int) - Method in class java.util.zip.CRC32
Updates CRC-32 with specified byte.
update(Observable, Object) - Method in interface java.util.Observer
This method is called whenever the observed object is changed.
UPPERCASE_LETTER - Static variable in class java.lang.Character
Public data for enumerated Unicode general category types.
url - Variable in class java.net.URLConnection
The URL represents the remote object on the World Wide Web to which this connection is opened.
URL - class java.net.URL.
Class URL represents a Uniform Resource Locator, a pointer to a "resource" on the World Wide Web.
URL(String) - Constructor for class java.net.URL
Creates a URL object from the String representation.
URL(String, String, int, String) - Constructor for class java.net.URL
Creates a URL object from the specified protocol, host, port number, and file.
URL(String, String, int, String, URLStreamHandler) - Constructor for class java.net.URL
Creates a URL object from the specified protocol, host, port number, file, and handler.
URL(String, String, String) - Constructor for class java.net.URL
Creates a URL from the specified protocol name, host name, and file name.
URL(URL, String) - Constructor for class java.net.URL
Creates a URL by parsing the given spec within a specified context.
URL(URL, String, URLStreamHandler) - Constructor for class java.net.URL
Creates a URL by parsing the given spec with the specified handler within a specified context.
URLClassLoader - class java.net.URLClassLoader.
This class loader is used to load classes and resources from a search path of URLs referring to both JAR files and directories.
URLClassLoader(URL[]) - Constructor for class java.net.URLClassLoader
Constructs a new URLClassLoader for the specified URLs using the default delegation parent ClassLoader.
URLClassLoader(URL[], ClassLoader) - Constructor for class java.net.URLClassLoader
Constructs a new URLClassLoader for the given URLs.
URLClassLoader(URL[], ClassLoader, URLStreamHandlerFactory) - Constructor for class java.net.URLClassLoader
Constructs a new URLClassLoader for the specified URLs, parent class loader, and URLStreamHandlerFactory.
URLConnection - class java.net.URLConnection.
The abstract class URLConnection is the superclass of all classes that represent a communications link between the application and a URL.
URLConnection(URL) - Constructor for class java.net.URLConnection
Constructs a URL connection to the specified URL.
URLDecoder - class java.net.URLDecoder.
The class contains a utility method for converting from a MIME format called "x-www-form-urlencoded" to a String
URLDecoder() - Constructor for class java.net.URLDecoder
 
URLEncoder - class java.net.URLEncoder.
The class contains a utility method for converting a String into a MIME format called "x-www-form-urlencoded" format.
URLStreamHandler - class java.net.URLStreamHandler.
The abstract class URLStreamHandler is the common superclass for all stream protocol handlers.
URLStreamHandler() - Constructor for class java.net.URLStreamHandler
 
URLStreamHandlerFactory - interface java.net.URLStreamHandlerFactory.
This interface defines a factory for URL stream protocol handlers.
US - Static variable in class java.util.Locale
Useful constant for country.
useCaches - Variable in class java.net.URLConnection
If true, the protocol is allowed to use caching whenever it can.
useDaylightTime() - Method in class java.util.TimeZone
Queries if this time zone uses daylight savings time.
useDaylightTime() - Method in class java.util.SimpleTimeZone
Overrides TimeZone Queries if this time zone uses Daylight Savings Time.
useProtocolVersion(int) - Method in class java.io.ObjectOutputStream
Specify stream protocol version to use when writing the stream.
usingProxy() - Method in class java.net.HttpURLConnection
Indicates if the connection is going through a proxy.
UTFDataFormatException - exception java.io.UTFDataFormatException.
Signals that a malformed UTF-8 string has been read in a data input stream or by any class that implements the data input interface.
UTFDataFormatException() - Constructor for class java.io.UTFDataFormatException
Constructs a UTFDataFormatException with null as its error detail message.
UTFDataFormatException(String) - Constructor for class java.io.UTFDataFormatException
Constructs a UTFDataFormatException with the specified detail message.

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