The Release of Java Micro Edition Embedded 8

More than a month ago, Java 8 has announced its General Availability, where other products such as Java Platform, Standard Edition (SE 8), Java Platform, Micro Edition 8 (ME 8) were included in its webcast. In April 30, Oracle has officially publicized Java ME Embedded 8 release, it’s a week after its specifications has been approved.

Java Micro Edition Embedded 8 is a Java Micro Edition (ME) 8 runtime whose specifications are aimed to have more functionalities, portability, flexibility, and security.

This release is based on Java ME Connected Limited Device Configuration (CLDC) 8 or JSR 360 and Java ME Embedded Profile (MEEP) 8 or JSR 361; it also offers the following:

  • Alignment with Java SE 8 language features and API
  • Updated “services-enabled” application platform
  • Support to customize and “right-size” the platform
  • Access from Java to a range of devices via GPIO, I2C, SPI, UART and more
  • Application development is supported through the Oracle Java ME SDK 8

Oracle also listed the following key features of Java ME Embedded 8:

  • Implementation of the Java ME 8 specification
  • Versatile and flexible networking and connectivity, including wireless support (3GPP, CDMA, WiFi)
  • Improved access to peripheral devices through Device I/O API
  • Improved tooling support (Developer Agent, On-device Debugging, Memory Monitor, Network Monitor, CPU Profiler, Logging)
  • New APIs for RESTful programming
  • Async HTTP API
  • OAuth 2.0 API
  • Implementation of the following JSRs:
    • JSR 75 (File Connection API)
    • JSR 120 (Wireless Messaging API)
    • JSR 172 (Web Services API)
    • JSR 177 (Security and Trust Services API)
    • JSR 179 (Location API)
    • JSR 280 (XML API)
  • Usability, performance, and footprint improvements over previous versions of Oracle Java ME Embedded 3.3 and 3.4

Java ME Embedded 8 is supported by wide selection of developer tools such as Oracle Java ME SDK 8 and Netbeans IDE. And supports the following platforms:

  • Raspberry Pi Model B on Debian Linux
  • Qualcomm IoE 6270T on Brew MP
  • Device Emulation Environment on Windows 7

Oracle site some examples where you can use Java ME Embedded 8:

  • Wireless modules
  • Smart meters/smart sensors
  • Industrial controllers
  • Telehealth devices
  • Environmental remote monitors
  • Tracking systems
  • Home automation devices
  • Connected vending machines
  • and general use cases where devices with local intelligence and versatile connectivity are required
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