Our 1z0-813 exam dumps will include those topics:
- Enhancements
- Java Collections
- Java Streams.
- Concurrency
- Localization
- Lambda
- Java File I/O
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Oracle 1z0-813日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Stream API | 20% | - Stream pipelines, intermediate and terminal operations - Lazy evaluation and parallel streams - Stream creation: Arrays.stream(), IntStream.range(), etc. - Reduction, decomposition, and aggregation operations |
| Topic 2: Java Language Enhancements | 15% | - Type inference and target typing - Multi-catch exception handling - Diamond operator improvements - Try-with-resources statements - String in switch statement, binary literals, underscores in literals |
| Topic 3: Localization | 10% | - Formatting dates, numbers, and currencies - Locale class and resource bundles |
| 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 - Static and default methods in interfaces - Method references - Inheritance rules for default methods |
| Topic 6: Java Date/Time API | 15% | - Time zones and daylight saving adjustments - Period, Duration, and ChronoUnit - LocalDate, LocalTime, LocalDateTime, Instant - Formatting and parsing dates/times |
| Topic 7: Java File I/O (NIO.2) | 15% | - WatchService for directory changes - PathMatcher and file attributes - DirectoryStream and FileVisitor - Path and Files classes operations |
