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Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Lambda Expressions and Functional Interfaces | 15% | - Use method references - Use primitive and binary variants of functional interfaces - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Create and use lambda expressions |
| Topic 2: Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Use try-with-resources - Use assertions - Create custom exceptions |
| Topic 3: JDBC | 5% | - Connect to database - Execute queries and updates - Process resultsets |
| Topic 4: Generics and Collections | 15% | - Analyze type safety and type erasure - Sort and search collections - Use Collections Framework: List, Set, Map, Queue - Use generic classes, interfaces, and methods |
| Topic 5: Java I/O and NIO.2 | 8% | - Stream operations on files - Use Path, Files, FileSystem API - Read/write with java.io API |
| Topic 6: Java Class Design | 15% | - Create singleton and immutable classes - Implement inheritance including visibility modifiers and composition - Implement encapsulation - Implement polymorphism - Use static keyword in blocks, variables, methods, classes - Override hashCode, equals, and toString methods |
| Topic 7: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones |
| Topic 8: Advanced Java Class Design | 10% | - Use abstract classes and methods - Use enumerated types - Use final keyword - Create inner classes: static, local, nested, anonymous |
| Topic 9: Concurrency | 12% | - Use java.util.concurrent components - Control thread lifecycle and synchronization - Use Executors, Callable, Future - Create threads: Thread class, Runnable, ExecutorService |
| Topic 10: Java Stream API | 15% | - Describe Stream interface and pipeline - Work with Optional class - Filter, map, and process streams - Use terminal operations: collect, reduce, count |
| Topic 11: Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
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