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Currently Java 6 (a.k.a 1.6.0) and Java 7 (a.k.a 1.7.0) and Java 8 (aka 1.8.0) are installed centrally in
/afs/slac.stanford.edu/package/java and linked from /usr/local/bin. The installed versions are:
Java 1.6.0 -> 1.6.0_3941
Java 1.7 -> 1.7.0_1355
Java 1.8 -> 1.8.0_20
When invoking Java via
/usr/local/bin/java
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