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