Hello Raspberry Pi

BlueJ , start from version 3.14, fully supports the Raspberry Pi. BlueJ is a Java development environment that allows development as well as program execution on the Pi.

BlueJ on the Raspberry Pi provides full access to hardware attached to the Raspberry Pi via the open source Pi4J library, from the the familiar Java SE language, including the new Java 8.

link:
~ http://bluej.org/raspberrypi/index.html

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Current issue of Java Magazine, november/december 2014, have a charter of "Code Java on Raspberry Pi" introduce how BlueJ brings Java SE 8 development directly to the Raspberry Pi.