Thursday May 01, 2014

Free Webinar on Java Micro Edition

Want to learn about building applications on small devices? Come to this webinar and learn about Java ME Embedded.  Java ME Product Manager Terrence Barr and Globalcode Founder Vinicius Senger will present Java ME Embedded tips and tricks and talk about the new Java ME Embedded 8 release that just came out this week. 

Come with questions about Java Embedded and the project you are planning to submit for IoT Developer Challenge. Terrence and Vinicius will be available to answer your questions.

Registering for this webinar will give you a chance to win a Raspberry Pi kit. Join us for this live training on Monday May 5  at 6:00pm - 8:00pm UTC; 3:00pm - 5:00pm Sao Paulo, Brazil; 2:00pm - 4:00pm EST; 11:00am - 1:00pm PST

There is less than a month before the IoT Developer Challenge deadline. Don't miss this chance to win a trip to JavaOne 2014

Monday Oct 17, 2011

Getting Started with Embedded Java -- Sense, Control, Connect, Store, Sync

At JavaOne 2011, Terrence Barr, Senior Technologist, Mobile & Embedded, Oracle Germany, presided over a two-hour HOL (Hands-On-Lab) on Monday in which he taught developers how to build an embedded Java solution that senses and controls the environment, stores data, and connects to back-end databases for synchronization and further processing. The session offered considerable detail along with step-by-step exercises as participants learned how to create the embedded EnviroTracker system and application which tracks and processes environmental data. The application interfaces with a microcontroller to read sensor input (ambient light brightness), to control output (and LED), and then further processes the sensor data.

The lab focused on:
• The benefits of Java technology in the embedded space
• The components of embedded Java platforms
• Setting up an embedded Java platform
• Interfacing between the embedded Java platform, the microcontroller, and I/O
• Accessing and controlling I/O from Java
• Processing sensor data

Barr took developers through seven basic tasks or exercises:

1. Create the EnviroTracker
2. Install the OJEC (Oracle Java ME Embedded Client) on the Development Host
The Oracle Java Micro Edition Embedded Client (OJEC) implements the CDC Platform configuration.
3. Develop and Test Your First Embedded Java Application..
4. Install OJEC on the Target Platform and Run Your Java Application
5: Understand I/O and the Arduino Microcontroller
6: EnviroTracker V1: First Contact
7: EnviroTracker V2: Continuous Monitoring and Processing

By the end of a rigorous and demanding, but satisfying two hours, attendees had built a real-world embedded system and created the EnviroTracker Application to track environmental sensor data. They learned how to install and use embedded Java runtimes and tools, and how to interface with I/O devices and microcontrollers from Java applications.

The take home message: Creating sophisticated embedded Java systems and applications is easy due to the platform independence of the Java language and runtime, the scalability of pre-existing Java skills to embedded development, and the comprehensive support provided by mature and feature-rich developer tools.

For more info, go to Terrence Barr's blog.

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