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Java 12 / JDK 12 官方正式版

美国时间3月19日,Java 12正式发布了!

 

JDK 12 is the open-source reference implementation of version 12 of the Java SE Platform as specified by by JSR 386 in the Java Community Process.

JDK 12 reached General Availability on 19 March 2019. 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 Process, as amended by the JEP 2.0 proposal. The release was produced using the JDK Release Process (JEP 3).

Features

189:

Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)

230:

Microbenchmark Suite

325:

Switch Expressions (Preview)

334:

JVM Constants API

340:

One AArch64 Port, Not Two

341:

Default CDS Archives

344:

Abortable Mixed Collections for G1

346:

Promptly Return Unused Committed Memory from G1