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.
What is the duration of 1z0-813 Exam
The duration of this exam is 130 minutes
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How to study 1z0-813 Exam
Oracle offered the following courses to help you prepare for the certification tests.
This course is recommended, but not required, before taking a 1z0-813 certification exam. When preparing for the 1z0-813 certification exam, keep in mind that real world experience is required to stand a reasonable chance of passing 1z0-813 exam.
Oracle 1z1-813日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Concurrency Enhancements | 10% | - Fork/Join framework - Java SE 8 concurrent collections improvements - Executors, ExecutorService, Callable, Future |
| Java Stream API | 20% | - Stream pipelines, intermediate and terminal operations - Reduction, decomposition, and aggregation operations - Stream creation: Arrays.stream(), IntStream.range(), etc. - Lazy evaluation and parallel streams |
| Java File I/O (NIO.2) | 15% | - WatchService for directory changes - DirectoryStream and FileVisitor - PathMatcher and file attributes - Path and Files classes operations |
| Java Language Enhancements | 15% | - Type inference and target typing - Try-with-resources statements - Multi-catch exception handling - String in switch statement, binary literals, underscores in literals - Diamond operator improvements |
| Localization | 10% | - Formatting dates, numbers, and currencies - Locale class and resource bundles |
| Interfaces and Lambda Expressions | 15% | - Inheritance rules for default methods - Method references - Static and default methods in interfaces - Functional interfaces and lambda expressions |
| Java Date/Time API | 15% | - Time zones and daylight saving adjustments - Formatting and parsing dates/times - LocalDate, LocalTime, LocalDateTime, Instant - Period, Duration, and ChronoUnit |
