JDK 7 Features
JDK 7
Features This is the list of features being developed by Oracle, and others, for JDK 7. These features will be proposed for inclusion in the Java SE 7 Platform JSR, except for those listed as implementation-specific. Comments to: jdk7-dev at openjdk.java.net Summary Features are listed in order, more or less, from lowest to highest in the overall JDK software stack. vm JSR 292: Support for dynamically-typed languages (InvokeDynamic) Strict class-file checking lang JSR 334: Small language enhancements (Project Coin) core Upgrade class-loader architecture Method to close a URLClassLoader Concurrency and collections updates (jsr166y) i18n Unicode 6.0 Locale enhancement Separate user locale and user-interface locale ionet JSR 203: More new I/O APIs for the Java platform (NIO.2) NIO.2 filesystem provider for zip/jar archives SCTP (Stream Control Transmission Protocol) SDP (Sockets Direct Protocol) Use the Windows Vista IPv6 stack TLS 1.2 sec Elliptic-curve cryptography (ECC) jdbc JDBC 4.1 client XRender pipeline for Java 2D Create new platform APIs for 6u10 graphics features Nimbus look-and-feel for Swing Swing JLayer component Gervill sound synthesizer [NEW] web Update the XML stack mgmt Enhanced MBeans [UPDATED] This list contains one [NEW] feature, which was actually integrated in Milestone 1 but due to a clerical error was not listed here before. There is also one [UPDATED] feature. Features that were once planned for JDK 7 but later deferred to JDK 8 or a later release are listed at the bottom of this page. Virtual machine JSR 292: Support for dynamically-typed languages (InvokeDynamic) Extensions to the JVM, the Java language, and the Java SE API to support the implementation of dynamically-typed languages at performance levels near to that of the Java language itself Lead: John Rose Spec: JSR 292; java.lang.invoke Links: project page; wiki page; mailing list Milestone target: M3 Strict class-file checking As specified in JSR 202, which was part of Java SE 6, and in the recently-approved maintenance revision of JSR 924, class files of version 51 (SE 7) or later must be verified with the typechecking verifier; the VM must not fail over to the old inferencing verifier. Lead: Karen Kinnear Spec: JSR 202 §4.11.1 Milestone target: M9 Language JSR 334: Small language enhancements (Project Coin) A set of small language changes intended to simplify common, day-to-day programming tasks: Strings in switch statements, try-with-resources statements, improved type inference for generic instance creation ("diamond"), simplified varargs method invocation, better integral literals, and improved exception handling (multi-catch) Lead: Joe Darcy Spec: JSR 334 Links: project page; mailing list Milestone target: M11 Core Upgrade class-loader architecture Modifications to the ClassLoader API and implementation to avoid deadlocks in non-hierarchical class-loader topologies Lead: Karen Kinnear Spec: java.lang.ClassLoader: registerAsParallelCapable, getClassLoadingLock Links: summary Milestone target: M3 Method to close a URLClassLoader A method that frees the underlying resources, such as open files, held by a URLClassLoader Lead: Michael McMahon Spec: java.net.URLClassLoader.close Links: summary Milestone target: M2 Concurrency and collections updates (jsr166y) A lightweight fork/join framework, flexible and reusable synchronization barriers, transfer queues, concurrent linked double-ended queues, and thread-local pseudo-random number generators Lead: Doug Lea Spec: java.util.concurrent: ForkJoinPool, Phaser, TransferQueue, ConcurrentLinkedDeque, ThreadLocalRandom Links: overview; draft api; wiki Milestone target: M5 Internationalization Unicode 6.0 Upgrade the supported version of Unicode to 6.0 Lead: Yuka Kamiya Spec: Unicode 6.0; java.lang.Character Milestone target: M11 Locale enhancement Upgrade the java.util.Locale class to support IETF BCP 47 (Tags for Identifying Languages) and UTR 35 (Local Data Markup Language) Spec: IETF BCP 47 : java.util.Locale: forLanguageTag, toLanguageTag; UTR 35 : java.util.Locale: getUnicodeLocaleAttributes, getUnicodeLocaleType, getUnicodeLocaleKeys Links: overview Milestone target: M11 Separate user locale and user-interface locale Upgrade the handling of locales to separate formatting locales from user-interface language locales Spec: java.util.Locale: getDefault, setDefault; Locale.Category Milestone target: M11 I/O and Networking JSR 203: More new I/O APIs for the Java platform (NIO.2) New APIs for filesystem access, scalable asynchronous I/O operations, socket-channel binding and configuration, and multicast datagrams Lead: Alan Bateman Spec: JSR 203 Links: project page; interview; talk video; java.net article Milestone target: M2 NIO.2 filesystem provider for zip/jar archives A fully-functional and supported NIO.2 filesystem provider for zip and jar files Lead: Alan Bateman Milestone target: M11 SCTP (Stream Control Transmission Protocol) An implementation-specific API for the Stream Control Transmission Protocol on Solaris Lead: Chris Hegarty Links: project page; mailing list Milestone target: M3 SDP (Sockets Direct Protocol) Implementation-specific support for reliable, high-performance network streams over Infiniband connections on Solaris and Linux Lead: Alan Bateman Milestone target: M3 Use the Windows Vista IPv6 stack Upgrade the networking code to use the Windows Vista IPv6 stack, when available, in preference to the legacy Windows stack Lead: Michael McMahon Milestone target: M1 TLS 1.2 Add support for Transport Layer Security version 1.2 (RFC 5246) Lead: Brad Wetmore Spec: RFC 5246, RFC 5289, RFC 5469; javax.net.ssl: ExtendedSSLSession, SSLSocket.getHandshakeSession Milestone target: M11 Security & Cryptography Elliptic-curve cryptography (ECC) A portable implementation of the standard Elliptic Curve Cryptographic (ECC) algorithms, so that all Java applications can use ECC out-of-the-box Lead: Vincent Ryan Milestone target: M5 Database Connectivity JDBC 4.1 Upgrade to JDBC 4.1 and Rowset 1.1 Lead: Lance Andersen Spec: java.sql; javax.sql.rowset: RowSetFactory, RowSetProvider Milestone target: M11 Client XRender pipeline for Java 2D A new Java2D graphics pipeline based upon the X11 XRender extension, which provides access to much of the functionality of modern GPUs Lead: Clemens Eisserer; team:Dmitri Trembovetski Milestone target: M9 Create new platform APIs for 6u10 graphics features Create new platform APIs for features originally implemented in the 6u10 release: Translucent and shaped windows, and heavyweight/lightweight component mixing Lead: Anthony Petrov Spec: java.awt: Window: setShape, setOpacity; Component Milestone target: M3 Nimbus look-and-feel for Swing A next-generation cross-platform look-and-feel for Swing Lead: Jasper Potts; team:Richard Bair, Peter Zhelezniakov Spec: javax.swing.plaf.nimbus Links: project page Milestone target: M3 Swing JLayer component Add the SwingLabs JXLayer component decorator to the platform Lead: Alexander Potochkin Spec: javax.swing.JLayer Links: JXLayer project Milestone target: M5 Gervill sound synthesizer [NEW] Drop the old, proprietary, encumbered sound synthesizer in favor of Gervill, a synthesizer created as a proposal for the Audio Synthesis Engine Project Lead: Karl Helgason Links: project page Milestone target: M1 Web Update the XML stack Upgrade the components of the XML stack to the most recent stable versions: JAXP 1.4, JAXB 2.2a, and JAX-WS 2.2 Lead: Joe Wang Spec: Corresponding maintenance reviews of JSR 206 (JAXP), JSR 222 (JAXB), and JSR 224 (JAX-WS) Milestone target: M12 Management Enhanced MBeans [UPDATED] Enhancements to the existing com.sun.management MBeans to report the recent CPU load of the whole system, the CPU load of the JVM process, and to send JMX notifications when GC events occur (this feature previously included an enhanced JMX Agent, but that was dropped due to lack of time) Lead: Frederic Parain Spec: com.sun.management: OperatingSystemMXBean, GarbageCollectorMXBean Milestone target: M13 Deferred to JDK 8 or later JSR 294: Language and VM support for modular programming Enhancements to the Java language and virtual-machine specifications to support modular programming, at both compile time and run time Lead: Alex Buckley Spec: JSR 294 Links: mailing list JSR 308: Annotations on Java types An extension to the Java annotation syntax to permit annotations on any occurrence of a type Lead: Michael Ernst; team:Jonathan Gibbons Spec: JSR 308 Links: project page; detailed project page JSR TBD: Language support for collections Literal expressions for immutable lists, sets, and maps, and indexing-access syntax for lists and maps Lead: Joe Darcy Links: project page; mailing list JSR TBD: Project Lambda Lambda expressions (informally, "closures") and defender methods for the Java programming language Lead: Brian Goetz; team:Alex Buckley, Jonathan Gibbons, Mark Reinhold Links: project page; mailing list Modularization (Project Jigsaw) A simple, low-level module system focused upon the goal of modularizing the JDK, and the application of that system to the JDK itself Lead: Mark Reinhold; team:Alex Buckley, Jonathan Gibbons Links: introduction; project page; mailing list JSR 296: Swing application framework An API to define the basic structure of a typical Swing application, thereby eliminating lots of boilerplate code and providing a much-improved initial developer experience Lead: Alexander Potochkin Spec: JSR 296 Swing JDatePicker component Add the SwingLabs JXDatePicker component to the platform Lead: Alexander Potochkin Links: JXDatePicker api
Features This is the list of features being developed by Oracle, and others, for JDK 7. These features will be proposed for inclusion in the Java SE 7 Platform JSR, except for those listed as implementation-specific. Comments to: jdk7-dev at openjdk.java.net Summary Features are listed in order, more or less, from lowest to highest in the overall JDK software stack. vm JSR 292: Support for dynamically-typed languages (InvokeDynamic) Strict class-file checking lang JSR 334: Small language enhancements (Project Coin) core Upgrade class-loader architecture Method to close a URLClassLoader Concurrency and collections updates (jsr166y) i18n Unicode 6.0 Locale enhancement Separate user locale and user-interface locale ionet JSR 203: More new I/O APIs for the Java platform (NIO.2) NIO.2 filesystem provider for zip/jar archives SCTP (Stream Control Transmission Protocol) SDP (Sockets Direct Protocol) Use the Windows Vista IPv6 stack TLS 1.2 sec Elliptic-curve cryptography (ECC) jdbc JDBC 4.1 client XRender pipeline for Java 2D Create new platform APIs for 6u10 graphics features Nimbus look-and-feel for Swing Swing JLayer component Gervill sound synthesizer [NEW] web Update the XML stack mgmt Enhanced MBeans [UPDATED] This list contains one [NEW] feature, which was actually integrated in Milestone 1 but due to a clerical error was not listed here before. There is also one [UPDATED] feature. Features that were once planned for JDK 7 but later deferred to JDK 8 or a later release are listed at the bottom of this page. Virtual machine JSR 292: Support for dynamically-typed languages (InvokeDynamic) Extensions to the JVM, the Java language, and the Java SE API to support the implementation of dynamically-typed languages at performance levels near to that of the Java language itself Lead: John Rose Spec: JSR 292; java.lang.invoke Links: project page; wiki page; mailing list Milestone target: M3 Strict class-file checking As specified in JSR 202, which was part of Java SE 6, and in the recently-approved maintenance revision of JSR 924, class files of version 51 (SE 7) or later must be verified with the typechecking verifier; the VM must not fail over to the old inferencing verifier. Lead: Karen Kinnear Spec: JSR 202 §4.11.1 Milestone target: M9 Language JSR 334: Small language enhancements (Project Coin) A set of small language changes intended to simplify common, day-to-day programming tasks: Strings in switch statements, try-with-resources statements, improved type inference for generic instance creation ("diamond"), simplified varargs method invocation, better integral literals, and improved exception handling (multi-catch) Lead: Joe Darcy Spec: JSR 334 Links: project page; mailing list Milestone target: M11 Core Upgrade class-loader architecture Modifications to the ClassLoader API and implementation to avoid deadlocks in non-hierarchical class-loader topologies Lead: Karen Kinnear Spec: java.lang.ClassLoader: registerAsParallelCapable, getClassLoadingLock Links: summary Milestone target: M3 Method to close a URLClassLoader A method that frees the underlying resources, such as open files, held by a URLClassLoader Lead: Michael McMahon Spec: java.net.URLClassLoader.close Links: summary Milestone target: M2 Concurrency and collections updates (jsr166y) A lightweight fork/join framework, flexible and reusable synchronization barriers, transfer queues, concurrent linked double-ended queues, and thread-local pseudo-random number generators Lead: Doug Lea Spec: java.util.concurrent: ForkJoinPool, Phaser, TransferQueue, ConcurrentLinkedDeque, ThreadLocalRandom Links: overview; draft api; wiki Milestone target: M5 Internationalization Unicode 6.0 Upgrade the supported version of Unicode to 6.0 Lead: Yuka Kamiya Spec: Unicode 6.0; java.lang.Character Milestone target: M11 Locale enhancement Upgrade the java.util.Locale class to support IETF BCP 47 (Tags for Identifying Languages) and UTR 35 (Local Data Markup Language) Spec: IETF BCP 47 : java.util.Locale: forLanguageTag, toLanguageTag; UTR 35 : java.util.Locale: getUnicodeLocaleAttributes, getUnicodeLocaleType, getUnicodeLocaleKeys Links: overview Milestone target: M11 Separate user locale and user-interface locale Upgrade the handling of locales to separate formatting locales from user-interface language locales Spec: java.util.Locale: getDefault, setDefault; Locale.Category Milestone target: M11 I/O and Networking JSR 203: More new I/O APIs for the Java platform (NIO.2) New APIs for filesystem access, scalable asynchronous I/O operations, socket-channel binding and configuration, and multicast datagrams Lead: Alan Bateman Spec: JSR 203 Links: project page; interview; talk video; java.net article Milestone target: M2 NIO.2 filesystem provider for zip/jar archives A fully-functional and supported NIO.2 filesystem provider for zip and jar files Lead: Alan Bateman Milestone target: M11 SCTP (Stream Control Transmission Protocol) An implementation-specific API for the Stream Control Transmission Protocol on Solaris Lead: Chris Hegarty Links: project page; mailing list Milestone target: M3 SDP (Sockets Direct Protocol) Implementation-specific support for reliable, high-performance network streams over Infiniband connections on Solaris and Linux Lead: Alan Bateman Milestone target: M3 Use the Windows Vista IPv6 stack Upgrade the networking code to use the Windows Vista IPv6 stack, when available, in preference to the legacy Windows stack Lead: Michael McMahon Milestone target: M1 TLS 1.2 Add support for Transport Layer Security version 1.2 (RFC 5246) Lead: Brad Wetmore Spec: RFC 5246, RFC 5289, RFC 5469; javax.net.ssl: ExtendedSSLSession, SSLSocket.getHandshakeSession Milestone target: M11 Security & Cryptography Elliptic-curve cryptography (ECC) A portable implementation of the standard Elliptic Curve Cryptographic (ECC) algorithms, so that all Java applications can use ECC out-of-the-box Lead: Vincent Ryan Milestone target: M5 Database Connectivity JDBC 4.1 Upgrade to JDBC 4.1 and Rowset 1.1 Lead: Lance Andersen Spec: java.sql; javax.sql.rowset: RowSetFactory, RowSetProvider Milestone target: M11 Client XRender pipeline for Java 2D A new Java2D graphics pipeline based upon the X11 XRender extension, which provides access to much of the functionality of modern GPUs Lead: Clemens Eisserer; team:Dmitri Trembovetski Milestone target: M9 Create new platform APIs for 6u10 graphics features Create new platform APIs for features originally implemented in the 6u10 release: Translucent and shaped windows, and heavyweight/lightweight component mixing Lead: Anthony Petrov Spec: java.awt: Window: setShape, setOpacity; Component Milestone target: M3 Nimbus look-and-feel for Swing A next-generation cross-platform look-and-feel for Swing Lead: Jasper Potts; team:Richard Bair, Peter Zhelezniakov Spec: javax.swing.plaf.nimbus Links: project page Milestone target: M3 Swing JLayer component Add the SwingLabs JXLayer component decorator to the platform Lead: Alexander Potochkin Spec: javax.swing.JLayer Links: JXLayer project Milestone target: M5 Gervill sound synthesizer [NEW] Drop the old, proprietary, encumbered sound synthesizer in favor of Gervill, a synthesizer created as a proposal for the Audio Synthesis Engine Project Lead: Karl Helgason Links: project page Milestone target: M1 Web Update the XML stack Upgrade the components of the XML stack to the most recent stable versions: JAXP 1.4, JAXB 2.2a, and JAX-WS 2.2 Lead: Joe Wang Spec: Corresponding maintenance reviews of JSR 206 (JAXP), JSR 222 (JAXB), and JSR 224 (JAX-WS) Milestone target: M12 Management Enhanced MBeans [UPDATED] Enhancements to the existing com.sun.management MBeans to report the recent CPU load of the whole system, the CPU load of the JVM process, and to send JMX notifications when GC events occur (this feature previously included an enhanced JMX Agent, but that was dropped due to lack of time) Lead: Frederic Parain Spec: com.sun.management: OperatingSystemMXBean, GarbageCollectorMXBean Milestone target: M13 Deferred to JDK 8 or later JSR 294: Language and VM support for modular programming Enhancements to the Java language and virtual-machine specifications to support modular programming, at both compile time and run time Lead: Alex Buckley Spec: JSR 294 Links: mailing list JSR 308: Annotations on Java types An extension to the Java annotation syntax to permit annotations on any occurrence of a type Lead: Michael Ernst; team:Jonathan Gibbons Spec: JSR 308 Links: project page; detailed project page JSR TBD: Language support for collections Literal expressions for immutable lists, sets, and maps, and indexing-access syntax for lists and maps Lead: Joe Darcy Links: project page; mailing list JSR TBD: Project Lambda Lambda expressions (informally, "closures") and defender methods for the Java programming language Lead: Brian Goetz; team:Alex Buckley, Jonathan Gibbons, Mark Reinhold Links: project page; mailing list Modularization (Project Jigsaw) A simple, low-level module system focused upon the goal of modularizing the JDK, and the application of that system to the JDK itself Lead: Mark Reinhold; team:Alex Buckley, Jonathan Gibbons Links: introduction; project page; mailing list JSR 296: Swing application framework An API to define the basic structure of a typical Swing application, thereby eliminating lots of boilerplate code and providing a much-improved initial developer experience Lead: Alexander Potochkin Spec: JSR 296 Swing JDatePicker component Add the SwingLabs JXDatePicker component to the platform Lead: Alexander Potochkin Links: JXDatePicker api