Download Oracle : 1z1-813日本語 Questions & Answers as PDF & Test Software
Last Updated: Jul 15, 2026
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Who should take the exam
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.
- Have expertise in Java 8 programming
- Have experience and skills of Java 6 or previous version programming
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.
Oracle 1z1-813日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Localization | 10% | - Locale class and resource bundles - Formatting dates, numbers, and currencies |
| Interfaces and Lambda Expressions | 15% | - Static and default methods in interfaces - Functional interfaces and lambda expressions - Inheritance rules for default methods - Method references |
| Java Date/Time API | 15% | - Formatting and parsing dates/times - LocalDate, LocalTime, LocalDateTime, Instant - Time zones and daylight saving adjustments - Period, Duration, and ChronoUnit |
| Concurrency Enhancements | 10% | - Java SE 8 concurrent collections improvements - Fork/Join framework - Executors, ExecutorService, Callable, Future |
| Java Stream API | 20% | - Lazy evaluation and parallel streams - Reduction, decomposition, and aggregation operations - Stream creation: Arrays.stream(), IntStream.range(), etc. - Stream pipelines, intermediate and terminal operations |
| 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% | - String in switch statement, binary literals, underscores in literals - Try-with-resources statements - Multi-catch exception handling - Type inference and target typing - Diamond operator improvements |
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