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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.
How to book 1z0-813 Exam
Register for Oracle Certified Professional - Java SE 8 Programmer Certification Exam on Pearson VUE
Oracle 1z1-813 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Java Date/Time API | 15% | - Period, Duration, and ChronoUnit - Formatting and parsing dates/times - Time zones and daylight saving adjustments - LocalDate, LocalTime, LocalDateTime, Instant |
| Java Stream API | 20% | - Lazy evaluation and parallel streams - Stream creation: Arrays.stream(), IntStream.range(), etc. - Reduction, decomposition, and aggregation operations - Stream pipelines, intermediate and terminal operations |
| Localization | 10% | - Locale class and resource bundles - Formatting dates, numbers, and currencies |
| Interfaces and Lambda Expressions | 15% | - Static and default methods in interfaces - Inheritance rules for default methods - Method references - Functional interfaces and lambda expressions |
| Java File I/O (NIO.2) | 15% | - WatchService for directory changes - PathMatcher and file attributes - Path and Files classes operations - DirectoryStream and FileVisitor |
| Concurrency Enhancements | 10% | - Executors, ExecutorService, Callable, Future - Java SE 8 concurrent collections improvements - Fork/Join framework |
| Java Language Enhancements | 15% | - String in switch statement, binary literals, underscores in literals - Diamond operator improvements - Try-with-resources statements - Type inference and target typing - Multi-catch exception handling |
