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