External Specifications

Specification	Referenced In
Character Sets	class java.nio.charset.Charset java.nio.charset.Charset.isRegistered()
Date and Time Formats	class java.util.Formatter java.nio.file.attribute.FileTime.toString()
Documentation Comment Specification for the Standard Doclet	class jdk.javadoc.doclet.StandardDoclet module jdk.javadoc package com.sun.source.doctree
Extensible Markup Language (XML) 1.0 (Fifth Edition)	java.util.Properties.loadFromXML(InputStream) java.util.Properties.storeToXML(OutputStream, String, Charset) java.util.Properties.storeToXML(OutputStream, String, String)
HTML 4.01 Specification	class java.net.URLEncoder java.net.URLDecoder.decode(String, Charset) java.net.URLEncoder.encode(String, Charset)
HTML Standard	class jdk.javadoc.doclet.StandardDoclet com.sun.source.util.DocTrees.getCharacters(EntityTree)
ISO - ISO 4217 - Currency codes	class java.util.Currency
JAR File Specification	class java.util.jar.Attributes class java.util.jar.Attributes.Name class java.util.jar.Manifest package java.util.jar
Java Native Interface Specification	class java.lang.Runtime class java.lang.reflect.AccessibleObject java.lang.Runtime.load(String) java.lang.Runtime.loadLibrary(String) java.lang.System.load(String) java.lang.System.loadLibrary(String) java.lang.Thread.setName(String) java.lang.reflect.AccessibleObject.canAccess(Object) java.lang.reflect.AccessibleObject.setAccessible(boolean) java.lang.reflect.AccessibleObject.setAccessible(boolean) java.lang.reflect.AccessibleObject.setAccessible(boolean) java.lang.reflect.AccessibleObject.setAccessible(boolean) java.lang.reflect.AccessibleObject.trySetAccessible() package java.lang.foreign
Java Object Serialization Specification	annotation interface java.io.Serial class java.io.ObjectInputStream class java.io.ObjectOutputStream class java.io.ObjectStreamClass class java.lang.Enum class java.lang.Record interface java.io.Serializable java.io.ObjectOutputStream.writeClassDescriptor(ObjectStreamClass) package java.io
RFC5646 2.1.1. Formatting of Language Tags	java.util.Locale.caseFoldLanguageTag(String)
RFC5646 2.1. Syntax	java.util.Locale.caseFoldLanguageTag(String)
RFC 790: Assigned numbers	class java.net.Inet4Address class java.net.InetAddress
RFC 793: Transmission Control Protocol	java.net.StandardSocketOptions.SO_REUSEADDR
RFC 822: STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES	class java.util.Formatter
RFC 919: Broadcasting Internet Datagrams	java.net.StandardSocketOptions.SO_BROADCAST
RFC 1122: Requirements for Internet Hosts - Communication Layers	class java.net.IDN java.net.StandardSocketOptions.SO_KEEPALIVE java.net.StandardSocketOptions.TCP_NODELAY
RFC 1123: Requirements for Internet Hosts - Application and Support	class java.net.IDN
RFC 1323: TCP Extensions for High Performance	java.net.StandardSocketOptions.SO_RCVBUF
RFC 1349: Type of Service in the Internet Protocol Suite	java.net.StandardSocketOptions.IP_TOS
RFC 1918: Address Allocation for Private Internets	class java.net.Inet4Address class java.net.InetAddress
RFC 1950: ZLIB Compressed Data Format Specification version 3.3	package java.util.zip
RFC 1951: DEFLATE Compressed Data Format Specification version 1.3	package java.util.zip
RFC 1952: GZIP file format specification version 4.3	package java.util.zip
RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies	class java.util.Base64 java.nio.file.Files.probeContentType(Path) java.nio.file.spi.FileTypeDetector.probeContentType(Path)
RFC 2109: HTTP State Management Mechanism	class java.net.HttpCookie
RFC 2236: Internet Group Management Protocol, Version 2	interface java.nio.channels.MulticastChannel
RFC 2278: IANA Charset Registration Procedures	class java.nio.charset.Charset package java.nio.charset
RFC 2279: UTF-8, a transformation format of ISO 10646	class java.net.URI class java.nio.charset.Charset
RFC 2296: HTTP Remote Variant Selection Algorithm -- RVSA/1.0	class java.net.URLPermission
RFC 2365: Administratively Scoped IP Multicast	class java.net.Inet4Address class java.net.InetAddress
RFC 2373: IP Version 6 Addressing Architecture	class java.net.Inet6Address class java.net.InetAddress class java.net.URI java.net.InetAddress.getAllByName(String) java.net.InetAddress.getByName(String) java.net.URI.URI(String) java.net.URI.getHost() java.net.URL.URL(String, String, int, String)
RFC 2396: Uniform Resource Identifiers (URI): Generic Syntax	class java.net.URI class java.net.URL java.net.URI.URI(String) java.net.URI.URI(String, String, String, String, String) java.net.URI.URI(String, String, String, int, String, String, String) java.net.URI.normalize() java.net.URI.parseServerAuthority() java.net.URI.resolve(URI) java.net.URI.toString()
RFC 2474: Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers	java.net.StandardSocketOptions.IP_TOS
RFC 2616: Hypertext Transfer Protocol -- HTTP/1.1	class java.net.ResponseCache class java.net.URLConnection java.util.Locale.LanguageRange.parse(String) java.util.Locale.LanguageRange.parse(String, Map<String, List<String>>)
RFC 2710: Multicast Listener Discovery (MLD) for IPv6	interface java.nio.channels.MulticastChannel
RFC 2732: Format for Literal IPv6 Addresses in URL's	class java.net.SocketPermission class java.net.URI class java.net.URL class java.net.URLPermission java.net.URI.URI(String) java.net.URL.URL(String, String, int, String)
RFC 2781: UTF-16, an encoding of ISO 10646	class java.nio.charset.Charset
RFC 2965: HTTP State Management Mechanism	class java.net.CookieHandler class java.net.CookieManager class java.net.HttpCookie
RFC 3330: Special-Use IPv4 Addresses	java.net.InetAddress.getAllByName(String) java.net.InetAddress.getByName(String)
RFC 3376: Internet Group Management Protocol, Version 3	interface java.nio.channels.MulticastChannel
RFC 3454: Preparation of Internationalized Strings ("stringprep")	class java.net.IDN
RFC 3490: Internationalizing Domain Names in Applications (IDNA)	class java.net.IDN java.net.IDN.toASCII(String) java.net.IDN.toASCII(String, int) java.net.IDN.toUnicode(String) java.net.IDN.toUnicode(String, int)
RFC 3491: Nameprep: A Stringprep Profile for Internationalized Domain Names (IDN)	class java.net.IDN
RFC 3492: Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA)	class java.net.IDN
RFC 3530: Network File System (NFS) version 4 Protocol	class java.nio.file.attribute.AclEntry interface java.nio.file.attribute.AclFileAttributeView java.nio.file.attribute.AclEntryPermission.READ_NAMED_ATTRS java.nio.file.attribute.AclEntryPermission.WRITE_NAMED_ATTRS package java.nio.file.attribute
RFC 3720: Internet Small Computer Systems Interface (iSCSI)	class java.util.zip.CRC32C package java.util.zip
RFC 3810: Multicast Listener Discovery Version 2 (MLDv2) for IPv6	interface java.nio.channels.MulticastChannel
RFC 3986: Uniform Resource Identifier (URI): Generic Syntax	class java.net.URI class java.net.URL interface javax.annotation.processing.Filer interface javax.tools.JavaFileManager
RFC 4122: A Universally Unique IDentifier (UUID) URN Namespace	class java.util.UUID java.util.UUID.variant()
RFC 4234: Augmented BNF for Syntax Specifications: ABNF	class java.util.Locale.LanguageRange
RFC 4647: Matching of Language Tags	class java.util.Locale class java.util.Locale.LanguageRange enum class java.util.Locale.FilteringMode
RFC 4648: The Base16, Base32, and Base64 Data Encodings	class java.util.Base64
RFC 5646: Tags for Identifying Languages	class java.util.Locale
Time Zone Database	java.util.spi.TimeZoneNameProvider.getDisplayName(String, boolean, int, Locale)
Unicode 3.1.0	class java.lang.Character
Unicode Character Database	java.lang.Character.isUnicodeIdentifierPart(char) java.lang.Character.isUnicodeIdentifierPart(int) java.lang.Character.isUnicodeIdentifierStart(char) java.lang.Character.isUnicodeIdentifierStart(int)
Unicode Identifier and Pattern Syntax	java.lang.Character.isUnicodeIdentifierPart(char) java.lang.Character.isUnicodeIdentifierPart(int) java.lang.Character.isUnicodeIdentifierStart(char) java.lang.Character.isUnicodeIdentifierStart(int)
Unicode Locale Data Markup Language (LDML)	class java.text.CompactNumberFormat java.text.Collator.getInstance(Locale) java.text.CompactNumberFormat.CompactNumberFormat(String, DecimalFormatSymbols, String[], String) java.text.DateFormatSymbols.getMonths() java.text.DateFormatSymbols.getShortMonths() java.text.NumberFormat.getCurrencyInstance(Locale) java.time.format.DateTimeFormatter.ofLocalizedPattern(String) java.time.format.DateTimeFormatterBuilder.appendDayPeriodText(TextStyle) java.time.format.DateTimeFormatterBuilder.appendLocalized(String)
Unicode Normalization Forms	class java.text.Normalizer enum class java.text.Normalizer.Form java.text.Collator.CANONICAL_DECOMPOSITION java.text.Collator.FULL_DECOMPOSITION
Unicode Regular Expressions	class java.util.regex.Pattern java.util.regex.Pattern.UNICODE_CHARACTER_CLASS
Unicode Script Property	enum class java.lang.Character.UnicodeScript
Unicode Security Considerations	class java.net.IDN
XML Schema Part 2: Datatypes Second Edition	java.nio.file.attribute.FileTime.toString()