Exam Name: Upgrade to Java SE 8 OCP ( Java SE 6 and all prior versions) (1z1-813日本語版)
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Updated: Aug 20, 2026
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Which candidate knowledge the exam will verify
The 1z0-813 certification exam will verify that the successful candidate has important knowledge and skills necessary to Java SE 8 Programming include Language Enhancements, Concurrency, Localization, Java File I/O, Lambda, Java Collections, and Java Streams.
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 experience and skills of Java 6 or previous version programming
- Have expertise in Java 8 programming
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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.
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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.
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Oracle 1z1-813日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java File I/O (NIO.2) | 15% | - WatchService for directory changes - Path and Files classes operations - DirectoryStream and FileVisitor - PathMatcher and file attributes |
| Topic 2: Localization | 10% | - Locale class and resource bundles - Formatting dates, numbers, and currencies |
| Topic 3: Java Date/Time API | 15% | - Period, Duration, and ChronoUnit - LocalDate, LocalTime, LocalDateTime, Instant - Formatting and parsing dates/times - Time zones and daylight saving adjustments |
| Topic 4: Concurrency Enhancements | 10% | - Java SE 8 concurrent collections improvements - Executors, ExecutorService, Callable, Future - Fork/Join framework |
| Topic 5: Interfaces and Lambda Expressions | 15% | - Functional interfaces and lambda expressions - Method references - Static and default methods in interfaces - Inheritance rules for default methods |
| Topic 6: Java Stream API | 20% | - Reduction, decomposition, and aggregation operations - Stream creation: Arrays.stream(), IntStream.range(), etc. - Stream pipelines, intermediate and terminal operations - Lazy evaluation and parallel streams |
| Topic 7: Java Language Enhancements | 15% | - Try-with-resources statements - Type inference and target typing - Diamond operator improvements - String in switch statement, binary literals, underscores in literals - Multi-catch exception handling |
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