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OCPJP Practice Tests: Keep knowledge fresh - Upgrade or practice tests

 
Greenhorn
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Hi!,

I am certified OCP Java SE 8.

One issue I often deal with, is keeping the knowledge fresh.
I feel like if I should take the exact same exam I wouldn't pass.

There are some concepts or cases which barely appear in real life like some of the concurrency concepts.


My question is the following:

How should I refresh my knowledge?

Take the upgrade exam or use the new book with the practice tests to practice my existing knowledge using those tests?



 
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If your goal is to just get certified fast, the 1Z0-817 Upgrade Exam is the shortest path.  That said, if your goal is to learn the material, then I recommend the 1Z0-819 exam.  It has a lot of topics not on the Java 8 exam (nor the upgrade exam) that are important for learning Java such as annotations and security.  It's a harder exam, but you'll feel a lot more confident after you pass it.
 
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Ayoub Rossi wrote:. . . I feel like if I should take the exact same exam I wouldn't pass. . . .

Most people wouldn't pass. It is usually necessary to revise exam topics in order to get anywhere near a pass mark.
When I was at school we sat the “mock” A level maths exam, followed one week later by another internal school exam. Only one person revised anything second time round, and he got good marks in both exams; the rest of us got about 30% less in the second exam than the first. One place I worked a long time ago, somebody sat an exam analogous to the cert, and thought they would pass because the questions covered what they did every day; they failed repeatedly.
 
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