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At JavaOne a few weeks ago, Oracle made available the Java ME 8.1 Developer Preview release for the Freescale FRDM-K64F (“Java ME 8.1 in 190 KB RAM”) and announced the upcoming full release of Java ME Embedded 8.1 (press release).
On Monday this week, we followed up as promised and posted the General Availability (GA) releases of Oracle Java ME 8.1 and the Oracle ME SDK 8.1.
Oracle Java ME Embedded 8.1 and ME SDK 8.1 New Features and Enhancements
- Support for ARM Cortex-M3/-M4 micro-controllers
- Updated Raspberry Pi support
- Updated Developer Preview on FRDM-K64 with mbed
- Improved support for two additional Qualcomm Gobi device families
- New communication, security, and networking features
- New support for Eclipse IDE, including major update of the Eclipse MTJ plugin
- Developer improvements: Tooling over USB, heap analysis, faster communication
- A number of smaller enhancements and fixes
Java 8: Truly Scalable
With this release, Java ME 8 now fully lives up to its design promise of delivering a feature-rich Java 8 platform that scales from powerful embedded systems all the way down to resource-constrained singe-chip micro-controllers with as little as 128 KB of RAM.
Developers can now rely on a consistent, standards-based programming model and platform that allows true code reuse from large to small solutions … in most cases the same, unmodified application binary will run across the entire range of target devices – irrespective of the underlying hardware and software differences. This means faster time-to-market, improved security and flexibility, and the ability to deliver more product value, faster.
No other embedded software technology can do that today.
Call to Action
- See here for a high-level summary/announcement of Oracle Java ME Embedded 8.1 and Java ME 8 in general
- For more information on FRDM-K64F support, a sample project, and additional background, see my previous post
- For more info, check out the short slide deck “Introduction to Oracle Java ME Embedded 8.1 Developer Preview”
- To get started, download the Java ME Embedded 8.1 binaries and the Java ME SDK 8.1
- Be sure to refer to the comprehensive Java ME 8.1 documentation pages, including Release Notes, Getting Started Guides, and Developer’s Guide
- Read the post on The Java ME Blog, including sample code
- See the The Java Tutorials Blog to learn more about the documentation and the new Java ME Optimization Techniques chapter
- Head over to the OTN Java ME Embedded Forum for questions and discussions
Java ME 8: Making the programmable, scalable, and secure Internet of Things a reality!
Cheers,
— Terrence
Update:
- 10/8/14: JavaOne CON6222 presentation and sample code available
- 10/3/14: Update on tooling with Java ME Embedded 8.1 Developer Preview
Announcing Oracle Java ME Embedded 8.1 Developer Preview for Freescale FRDM-K64F
Java ME 8 is purpose-designed to bring Java-powered software intelligence to a wide range of embedded devices – scaling all the way down to resource-constrained micro-controllers. Since the release of Java ME 8 a few months ago we’ve seen tremendous interest in the industry in leveraging Java as the software platform to bring the next generation of functionality and flexibility to embedded systems and the Internet of Things.
Today, we are accelerating the adoption of Java ME 8 with a Developer Preview of Oracle Java ME Embedded 8.1 on ARM Cortex-M4 devices, in collaboration with Freescale and ARM.
What is it?
The Freescale FRDM-K64F is built around the Kinetis K64F with 120 MHz, 256 KB RAM/1 MB Flash, running ARM mbed OS and with an Arduino form-factor and pin-out. A popular prototyping platform for both the mbed and Arduino communities, now joining forces with the Java ecosystem.
The Oracle Java ME Embedded 8.1 Developer Preview on FRDM-K64F offers:
- A feature-rich and optimized Java ME 8 runtime in 190 KB RAM, enabling highly functional Java Embedded applications on single-chip micro-controller systems
- Out-of-the-box support for Java 8 language, core APIs, networking, device I/O, storage, and more
- Simple installation with a complete and ready-to-run binary, just copy it onto the device
- Rich development and tooling via Java ME SDK 8.1 and NetBeans 8 IDE
- Complements existing Java ME 8 platforms such as Raspberry Pi, scaling Java ME 8 from large to small
- Ideal for evaluation and prototyping of small embedded & IoT solutions
What next?
Presentation: For more information and background have a look at the short slide deck “Introduction to Oracle Java ME Embedded 8.1 Developer Preview”.
Download: The Java ME Embedded 8.1 Developer Preview and the corresponding Java ME SDK 8.1 Early Access #3 are available NOW on the Oracle Technology Network (OTN).
Documentation: The release comes with Release Notes and Getting Started Guide for FRDM-K64F. There is also a full set of Java ME 8 documentation.
So grab a FRDM-K64F board from your favorite electronics shop or distributor, download the Developer Preview, and get started! Head over to the Java ME Embedded OTN forum to ask questions.
And finally, if you are watching the JavaOne 2014 Java Technical Keynote keep your eyes peeled for those little FRDM boards running Java ME 8 … 😉
Cheers,
— Terrence
Across the Universe 
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