| UDPDatagramConnection: javax.microedition.io |
| UID: java.rmi.server |
| UIDefaults.ActiveValue: javax.swing |
| UIDefaults: javax.swing |
| UIDefaults.LazyInputMap: javax.swing |
| UIDefaults.LazyValue: javax.swing |
| UIDefaults.ProxyLazyValue: javax.swing |
| UIDFolder.FetchProfileItem: javax.mail |
| UIDFolder: javax.mail |
| UIEvent: org.w3c.dom.events |
| UIManager: javax.swing |
| UIManager.LookAndFeelInfo: javax.swing |
| UIResource: javax.swing.plaf |
| ULongLongSeqHelper: org.omg.CORBA |
| ULongLongSeqHolder: org.omg.CORBA |
| ULongSeqHelper: org.omg.CORBA |
| ULongSeqHolder: org.omg.CORBA |
| UnavailableContainerException: javax.microedition.xlet |
| UnavailableException: javax.resource.spi |
| UnavailableException: javax.servlet |
| UndeclaredThrowableException: java.lang.reflect |
| UndoableEdit: javax.swing.undo |
| UndoableEditEvent: javax.swing.event |
| UndoableEditListener: javax.swing.event |
| UndoableEditSupport: javax.swing.undo |
| UndoManager: javax.swing.undo |
| UnexpectedException: java.rmi |
| UnexpectedObjectException: javax.xml.registry |
| UnicastRemoteObject: java.rmi.server |
| UnionMember: org.omg.CORBA |
| UnionMemberHelper: org.omg.CORBA |
| UNKNOWN: org.omg.CORBA |
| UNKNOWN: org.omg.PortableInterceptor |
| UnknownEncoding: org.omg.IOP.CodecFactoryPackage |
| UnknownEncodingHelper: org.omg.IOP.CodecFactoryPackage |
| UnknownError: java.lang |
| UnknownException: org.omg.CORBA.portable |
| UnknownFormatConversionException: java.util |
| UnknownFormatFlagsException: java.util |
| UnknownGroupException: java.rmi.activation |
| UnknownHostException: java.net |
| UnknownHostException: java.rmi |
| UnknownObjectException: java.rmi.activation |
| UnknownServiceException: java.net |
| UnknownUserException: org.omg.CORBA |
| UnknownUserExceptionHelper: org.omg.CORBA |
| UnknownUserExceptionHolder: org.omg.CORBA |
| UnmappableCharacterException: java.nio.charset |
| UnmarshalException: java.rmi |
| UnmodifiableClassException: java.lang.instrument |
| UnmodifiableSetException: javax.print.attribute |
| UnrecoverableEntryException: java.security |
| UnrecoverableKeyException: java.security |
| Unreferenced: java.rmi.server |
| UnresolvedAddressException: java.nio.channels |
| UnresolvedPermission: java.security |
| UnsatisfiedLinkError: java.lang |
| UnsolicitedNotification: javax.naming.ldap |
| UnsolicitedNotificationEvent: javax.naming.ldap |
| UnsolicitedNotificationListener: javax.naming.ldap |
| UNSUPPORTED_POLICY: org.omg.CORBA |
| UNSUPPORTED_POLICY_VALUE: org.omg.CORBA |
| UnsupportedAddressTypeException: java.nio.channels |
| UnsupportedAudioFileException: javax.sound.sampled |
| UnsupportedCallbackException: javax.security.auth.callback |
| UnsupportedCapabilityException: javax.xml.registry |
| UnsupportedCharsetException: java.nio.charset |
| UnsupportedClassVersionError: java.lang |
| UnsupportedDataTypeException: javax.activation |
| UnsupportedEncodingException: java.io |
| UnsupportedFlavorException: java.awt.datatransfer |
| UnsupportedLookAndFeelException: javax.swing |
| UnsupportedOperationException: java.lang |
| URI: java.net |
| URIException: javax.print |
| URIResolver: javax.xml.transform |
| URISyntax: javax.print.attribute |
| URISyntaxException: java.net |
| URIValidator: javax.xml.registry.infomodel |
| URL: java.net |
| URLClassLoader: java.net |
| URLConnection: java.net |
| URLDataSource: javax.activation |
| URLDecoder: java.net |
| URLEncoder: java.net |
| URLName: javax.mail |
| URLStats: javax.management.j2ee.statistics |
| URLStreamHandler: java.net |
| URLStreamHandlerFactory: java.net |
| URLStringHelper: org.omg.CosNaming.NamingContextExtPackage |
| User: javax.xml.registry.infomodel |
| USER_EXCEPTION: org.omg.PortableInterceptor |
| UserDataHandler: org.w3c.dom |
| UserException: javacard.framework |
| UserException: org.omg.CORBA |
| UserProfile: javax.pim.userprofile |
| UserProfileImpl: javax.pim.userprofile |
| UserTransaction: javax.transaction |
| UShortSeqHelper: org.omg.CORBA |
| UShortSeqHolder: org.omg.CORBA |
| UTFDataFormatException: java.io |
| Util: javacard.framework |
| Util: javax.rmi.CORBA |
| UtilDelegate: javax.rmi.CORBA |
| Utilities: javax.swing.text |
| UUID: java.util |