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