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On Feb. 25, 2013 the default version will change from Java 6 to Java 7
When making softlinks, in the old days of java 1.6* the convention was to softlink from java 1.6.0 -> <current prod version> but later in java 7 the zero was dropped to java 1.7 -> <current version> so to maintain the same naming convention point java 1.7 -> java 1.7.0 -> <current prod version> just to keep the naming convention the same as it was in java 1.6.