Originally posted by Kathy Sierra:
Obviously (and despite the fabulous scores of some of our kick-ass javaranchers), the exam was difficult. More difficult than we had thought, which is why the pass percentage is 64%. That means a LOT of people not only did not pass, but got very low scores. So if you didn't pass, you're in a very large crowd
I believe the later you take the test, the easier to pass.
It happends to all the certification tests.