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2.3. (1)OpenJDK Java 7 Runtime (Java developers kid)
http://www.oracle.com/technetwork/java/javase/downloads/index.html
(2)Eclipse IDE for Java EE Developers (Kepler Service Release 1)
http://www.eclipse.org/downloads/
(3)leJOS
https://sourceforge.net/projects/lejos/files/lejos-EV3/
(4)Oracle Java SE Embedded version7
http://www.oracle.com/technetwork/java/embedded/downloads/javase/javaseemeddedev3-1982511.ht
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