Exam Difficulty
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 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Java File I/O (NIO.2) | - Directory traversal and WatchService - PathMatcher and file tree walking - Path and Files operations |
| Language Enhancements | - Static and default interface methods - Multi-catch exception handling - Try-with-resources and AutoCloseable - String in switch, binary and underscore numeric literals |
| Concurrency | - Lock, ReadWriteLock, ReentrantLock and atomic variables - java.util.concurrent classes and thread pools - Fork/Join Framework and parallelism |
| Localization and Date/Time | - Formatting dates, numbers and currency - Locale and resource bundles - Date and time API (LocalDate, LocalTime, Instant, Period, Duration) |
| Java Collections & Streams | - Stream API, filtering, mapping and reduction - Enhancements to collections and iterating with lambdas |
| Lambda and Functional Features | - Method references and built-in functional types - Functional interfaces and lambda expressions |
