2016 java9-how-make-qus

How to Study for Java 9 Certification and Save on Certification Fees

slideshare.net/boyarskyTwitter @jeanneboyarskyBlog: http://www.selikoff.netModerator on forums at: http://www.coderanch.com

Jeanne Boyarsky5/4/16

Pros of Beta Exams

• Only $50 (vs $245)• Get same cert at end• Sometimes clues in one question for another

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Cons of Beta Exams

• Longer exam• More questions• Errors in questions• Don’t get result for many weeks• Lack of study materials

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How did you do?

• Can’t know• Depends which questions chosen• Grading errors on OCP 8 beta

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Study Plan

• List topics to study• Learn them• Identify tricky points• Optional: Make your own questions

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Example: Java 8 Stream Pipeline

What are some tricky points about terminal operators?

• Answers omitted until after give presentation

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Writing sample questions

• Code• Question• Answers• Change one thing

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Example: Java 8 Constructor References

What are some tricky points about constructor references?

• Answers omitted until after give presentation

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Another sample question

• Could we do a fill in the blank question?• What could we alter in the question?• What could be tricky?

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Cert Timeline Timeline

Event DateMarch 2014 Java 8 ReleaseAugust 2014 Java 8 OCA BetaApril 2015 Java 8 OCA BetaMarch 2017 Java 9 Release

What’s in Java 9

• Jigsaw• JShell (Nashorn was originally on OCP

beta)• Process API• GC changes• etc

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Let’s use JShell

• Oracle had Nashorn on the OCP 8 beta• JShell is successor• Appears to have same limitations

• No up arrow support• No tab autocomplete• Needs more automatic imports

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Exercise: Reading for details

List as many key/tricky points as we can in http://tinyurl.com/javasig-java9shell

• http://blog.takipi.com/java-9-early-access-a-hands-on-session-with-jshell-the-java-repl/

• http://openjdk.java.net/jeps/222

Exercise: Picking important points

Exercise: Making questions