Java type inference won't support differentiation of mutable vs immutable variables due to lack of consensus within the community regarding how this should be implemented, recent communication shows. Also, to prevent a long debate about corner cases, a number of such cases will be ruled out. Although the JEP doesn't indicate a target version, Java 10 seems likely.
Gartner has produced a report called “Market Guide for Application Platforms”, citing Java EE’s “revenue decline” in reporting “a clear shift” in the application platform market. The Java EE community takes issue with those findings, in personal comments to InfoQ.
Speedment released version 3.0.1 of their stream object-relational mapping Java toolkit and runtime application, featuring a new declarative Java 8 stream API, an improved user interface, and better code generation. InfoQ spoke to Per-Åke Minborg, co-founder and CTO of Speedment, about this latest release.
After approving the feature extension process, Oracle has confirmed July 2017 as release date for Java 9. Similar to a previous estimation by InfoQ, the new schedule involves a longer wait time for feature extension and impacted testing phases which may impose a risk. Early, informal testing might be in place to compensate.
The RxJava team announced their 2.0 release after an 18 month development cycle. The project's "What's Different in 2.0" is a good guide for those developers familiar with RxJava 1.x. This release brings an important milestone. RxJava is a sub-project of ReactiveX, which is "a combination of the best ideas from the Observer pattern, the Iterator pattern, and functional programming".
Javaslang, an open-source functional library that provides persistent data types and functional control structures for Java 8 and beyond, published a roadmap for a major release version 3.0 that promises significant changes to the library to remove unnecessary and deprecated features.
A couple of months ago, John Rose, JVM Architect, and Brian Goetz, Java Language Architect, both at Oracle, published the first minimal value type proposal to allow early prototyping. At this point, the proposal makes no changes to the Java language itself, and adds only one new bytecode instruction. InfoQ analysed this proposal to indicate the direction that Project Valhalla is heading.
The Twitter Sponsored Solutions track at QConSF2016 features an engineering talk on JVMs Across the Data Center and unveils an in-house OpenJDK fork, the Twitter-JDK, with noted potential open-sourcing or release to broader public.
Lightbend surveyed over 2100 JVM developers to study correlations between development and infrastructure trends. Their findings, published in a whitepaper, revealed that microservices and lightweight containers are challenging heavyweight J2EE application servers.
During JAX London 2016, Ola Westin of Oracle provided an insight into Java Mission Control.
Joe Darcy, JDK Engineer at Oracle, proposed a consolidation of the Mercurial (Hg) repositories for JDK 10 OpenJDK to a single repository that sparked a debate over scalability, performance, and other difficulties.
Apache Kafka and Kafka Streams frameworks help with developing stream-centric architectures and distributed stream processing applications. Jay Kreps, CEO of Confluent, gave the keynote presentation on stream processing and microservices at Reactive Summit 2016 Conference last week.
Pivotal recently released multi-version updates of their Spring Boot project with version 1.3.8 and 1.4.1 featuring bug fixes and dependency upgrades. Version 1.4.1 is the first maintenance release since version 1.4.
Red Hat has released version 10.1 of their WildFly application server, featuring full HTTP/2 support, automatic generation of TLS certificates, and improved load balancing.
OpenJDK HotSpot may get Ahead-of-Time (AOT) compilation as early as Java 9. InfoQ covers the proposal submitted in September 2016.
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