JDK-6715757 : javap does not print "extends java.lang.Object"
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I'm not sure if this is a bug or just a side effect or intended, but I think it is not printed that java classes extend java.lang.Object since they all do.
I don't know whether this should be a javap bug or a test bug.
The change was deliberate but perhaps on reflection it is better to leave it as it was. Will revert the behavior.