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Instant Download Oracle : 1z0-809日本語 Questions & Answers as PDF & Test Engine
- Exam Code: 1z0-809
- Exam Name: Java SE 8 Programmer II (1z0-809日本語版)
- Updated: Jul 22, 2026
- No. of Questions: 209 Questions and Answers
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Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.
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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 - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Topic 2: Generics and Collections | 15% | - Use Collections Framework: List, Set, Map, Queue - Use generic classes, interfaces, and methods - Analyze type safety and type erasure - Sort and search collections |
| Topic 3: Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Use java.util.concurrent components - Control thread lifecycle and synchronization |
| Topic 4: Localization | 5% | - Use Locale class - Format numbers, dates, messages - Work with resource bundles |
| Topic 5: Exceptions and Assertions | 8% | - Use assertions - Use try-with-resources - Create custom exceptions - Use try-catch, multi-catch, finally |
| Topic 6: Java I/O and NIO.2 | 8% | - Stream operations on files - Read/write with java.io API - Use Path, Files, FileSystem API |
| Topic 7: Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Topic 8: Advanced Java Class Design | 10% | - Use enumerated types - Use final keyword - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods |
| Topic 9: Java Class Design | 15% | - Use static keyword in blocks, variables, methods, classes - Implement inheritance including visibility modifiers and composition - Override hashCode, equals, and toString methods - Create singleton and immutable classes - Implement polymorphism - Implement encapsulation |
| Topic 10: JDBC | 5% | - Process resultsets - Execute queries and updates - Connect to database |
| Topic 11: Java Stream API | 15% | - Describe Stream interface and pipeline - Filter, map, and process streams - Use terminal operations: collect, reduce, count - Work with Optional class |
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