JEP 421: Deprecate Finalization for Removal
Summary Deprecate finalization for removal in a future release. Finalization remains enabled by default for now, but can be disabled to facilitate early testing. In a future release it will be disabled by default, and in a later release it will be removed. Maintainers of libraries and applications that rely upon finalization should consider migrating to other resource management techniques such as
JEP 371: Hidden Classes
Alex Buckley, David Holmes, John Rose, Maurizio Cimadamore, Paul Sandoz Summary Introduce hidden classes, which are classes that cannot be used directly by the bytecode of other classes. Hidden classes are intended for use by frameworks that generate classes at run time and use them indirectly, via reflection. A hidden class may be defined as a member of an access control nest, and may be unloaded
JDK 14
JDK 14 is the open-source reference implementation of version 14 of the Java SE Platform as specified by by JSR 389 in the Java Community Process. JDK 14 reached General Availability on 17 March 2020. Production-ready binaries under the GPL are available from Oracle; binaries from other vendors will follow shortly. The features and schedule of this release were proposed and tracked via the JEP Pro
Introduction to the Java HTTP Client
The HTTP Client was added in Java 11. It can be used to request HTTP resources over the network. It supports HTTP/1.1 and HTTP/2, both synchronous and asynchronous programming models, handles request and response bodies as reactive-streams, and follows the familiar builder pattern. Example: GET request that prints the response body as a String HttpClient client = HttpClient.newHttpClient(); HttpRe
JDK 11
JDK 11 is the open-source reference implementation of version 11 of the Java SE Platform as specified by by JSR 384 in the Java Community Process. JDK 11 reached General Availability on 25 September 2018. Production-ready binaries under the GPL are available from Oracle; binaries from other vendors will follow shortly. The features and schedule of this release were proposed and tracked via the JEP
JDK 9
The goal of this Project was to produce an open-source reference implementation of the Java SE 9 Platform as defined by JSR 379 in the Java Community Process. JDK 9 reached General Availability on 21 September 2017. Production-ready binaries under the GPL are available from Oracle; binaries from other vendors will follow shortly. The features and schedule of this release were proposed and tracked
JEP 122: Remove the Permanent Generation
Summary Remove the permanent generation from the Hotspot JVM and thus the need to tune the size of the permanent generation. Non-Goals Extending Class Data Sharing to application classes. Reducing the memory needed for class metadata. Enabling asynchronous collection of class metadata. Success Metrics Class metadata, interned Strings and class static variables will be moved from the permanent gene
OpenJDK: Mac OS X Port Project
The goal of this Project is to produce a high-quality, open source version of JDK 7 for the Mac. The final release has the following goals: Pass all appropriate certification tests for Java SE 7 Include a complete, native Cocoa-based UI Toolkit Provide excellent performance This Project is sponsored by the Porters Group. Community Project wiki Mailing list: macosx-port-dev Bug tracking system: Jav
JVM Language Summit — August 7–9, 2023
August 7–9, 2023 Oracle Auditorium Santa Clara, California, USA We are pleased to announce the 2023 JVM Language Summit to be held at Oracle's Santa Clara campus on August 7–9, 2023. The JVM Language Summit is an open technical collaboration among language designers, compiler writers, tool builders, runtime engineers, and VM architects. We will share our experiences as creators of both the JVM and
OpenJDK
What is this? The place to collaborate on an open-source implementation of the Java Platform, Standard Edition, and related projects. Download and install the latest open-source JDK. Oracle’s free, GPL-licensed, production-ready OpenJDK JDK 22 binaries for Linux, macOS, and Windows are available at jdk.java.net/22; Oracle’s commercially-licensed JDK 22 binaries, based on the same code, are here. L
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JDK 21
Java SE 17 Platform JSR 392
JEP 375: Pattern Matching for instanceof (Second Preview)
JEP 378: Text Blocks
JEP 372: Remove the Nashorn JavaScript Engine
JEP 319: Root Certificates
JDK 12
OpenJDK: GPLv2 + Classpath Exception
2D Graphics Group
OpenJDK: BSD Port Project