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if you have the following prerequisite and required skills then you should take this exam for getting Oracle Certified Professional - Java SE 8 Programmer certificate.
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1z0-813 - Upgrade to Java SE 8 OCP
1z0-813 exam is part of the new Oracle Certified Professional - Java SE 8 Programmer certification. This exam measures your ability and skills related to Java SE 8 Programming include Language Enhancements, Concurrency, Localization, Java File I/O, Lambda, Java Collections, and Java Streams.
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When preparing for the 1z0-813 certification exam, the real world experience is required to stand a reasonable chance of passing 1z0-813 exam. Oracle recommended courses does not replace the requirement for experience. So, It is very difficult for the candidate to pass the 1z0-813 exam without experience.
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Oracle 1z1-813日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Java Collections & Streams | - Stream API, filtering, mapping and reduction - Enhancements to collections and iterating with lambdas |
| Topic 2: Lambda and Functional Features | - Method references and built-in functional types - Functional interfaces and lambda expressions |
| Topic 3: Java File I/O (NIO.2) | - PathMatcher and file tree walking - Path and Files operations - Directory traversal and WatchService |
| Topic 4: Localization and Date/Time | - Formatting dates, numbers and currency - Locale and resource bundles - Date and time API (LocalDate, LocalTime, Instant, Period, Duration) |
| Topic 5: Concurrency | - java.util.concurrent classes and thread pools - Lock, ReadWriteLock, ReentrantLock and atomic variables - Fork/Join Framework and parallelism |
| Topic 6: Language Enhancements | - String in switch, binary and underscore numeric literals - Try-with-resources and AutoCloseable - Static and default interface methods - Multi-catch exception handling |
