Wednesday, 16 September 2020 17:35

Java 15 goes GA Featured


Java 15 is here, with new features and previews of what is to come in future versions.

Java is used by more than 69% of developers, and 51 billion JVMs are deployed globally, according to Oracle.

Oracle JDK 15 includes Edwards-Curve Digital Signature Algorithm (JEP 339), Hidden Classes (JEP 371) and final versions of Text Blocks (JEP 378) and ZGC (a low-latency garbage collector; JEP 377).

It also includes the first preview of Sealed Classes (JEP 360) and second previews of Pattern Matching for instanceof (JEP 375), Records (a compact syntax for declaring classes which hold shallowly immutable data; JEP 384), and Foreign-Memory Access API (to allow Java programs to safely and efficiently access foreign memory outside of the Java heap; JEP 383).

Other changes include a reimplementation of the Legacy Datagram Socket and MulticastSocket APIs (JEP 373), the deprecation of Biased Locking (JEP 374) and RMI Activation (JEP 385), and the removal of Nashorn JavaScript Engine (JEP 372) and ports (JEP 381).

"As Java celebrates its 25th birthday, we continue to make technical investments that drive Java innovation forward and help address the rapidly changing technology landscape," said Oracle Java platform group vice president of development Georges Saab.

"The availability of Java 15 and the incremental innovation that comes with the shift to a six-month release cadence gives the Java community the tools they require to build modern applications that move our world forward."

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Stephen Withers

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Stephen Withers is one of Australia¹s most experienced IT journalists, having begun his career in the days of 8-bit 'microcomputers'. He covers the gamut from gadgets to enterprise systems. In previous lives he has been an academic, a systems programmer, an IT support manager, and an online services manager. Stephen holds an honours degree in Management Sciences and a PhD in Industrial and Business Studies.

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