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question on Boyarsky & Selikoff book

 
Arsen Babakhanyan
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I have passed OCPJP like 15 days ago and just wanted to know what will give me 808 exam besides updating my certification from OCAJP7 to OCAJP8.
I scanned throw the content of the book it seems only lambda expressions are new.
 
Scott Selikoff
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Lambdas are just one of the new things added to Java 8. There's also default/static interface methods, which have some subtle rules (example: a class cannot implement two interfaces that have the same default method signature defined... unless the class overwrites it). There's also a new time/period API. And this is just OCA. OCP is expected (based on the beta upgrade exam) to include new NIO.2 methods, Nashhorn/JavaScript, and more.

Just remember that for the exam, they will test on the new material, even though in practice you may not use the new features right away.
 
Jeanne Boyarsky
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Java 8 Dates are new as well.
 
Roel De Nijs
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Not really related with the original question, but I still like to add this note for completeness.

Although both are OCA exams, there are some differences in the exam details: for the OCA8 exam you need to answer 7 questions more (77 vs 70) in the same time frame (120 minutes). The passing score for OCA8 exam is 65%, so you need 51 correct answers out of 77. For the OCAJP7 exam the passing score is 63%, which means 45 correct answers (out of 70).
 
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