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You have compiled REEF locally.

You have set the JAVA_HOME environment variable to the correct Java installation directory for your operating system and java version. On Ubuntu Linux, the current active version of Java is controlled via links from /usr/bin via the update-alternatives command thus the correct setting is given in the code block below. REEF will concatenate the appropriate path to find the appropriate executable files such as /usr/bin/java.

export JAVA_HOME=/usr

Running your first REEF program: Hello, REEF! (Java)

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