Oracle 1z0-809日本語 : Java SE 8 Programmer II (1z0-809日本語版)
- Exam Code: 1z0-809日本語
- Exam Name: Java SE 8 Programmer II (1z0-809日本語版)
- Updated: Sep 07, 2026 Q&As: 209 Questions and Answers
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What is the duration of the 1Z0-809 Exam
- Number of Questions: 85
- Passing Score: 65%
- Length of Examination: 150 minutes
- Format: Multiple choices, multiple answers
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For more info visit: Oracle Java8 1Z0-809 Exam Reference
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Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Java Stream API | 15% | - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count - Work with Optional class - Filter, map, and process streams |
| JDBC | 5% | - Execute queries and updates - Connect to database - Process resultsets |
| Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Generics and Collections | 15% | - Analyze type safety and type erasure - Use generic classes, interfaces, and methods - Sort and search collections - Use Collections Framework: List, Set, Map, Queue |
| Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Java Class Design | 15% | - Create singleton and immutable classes - Override hashCode, equals, and toString methods - Use static keyword in blocks, variables, methods, classes - Implement polymorphism - Implement encapsulation - Implement inheritance including visibility modifiers and composition |
| Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Use try-with-resources - Create custom exceptions - Use assertions |
| 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 |
| Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use final keyword - Use enumerated types - Use abstract classes and methods |
| Concurrency | 12% | - Control thread lifecycle and synchronization - Use Executors, Callable, Future - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components |
| Java I/O and NIO.2 | 8% | - Read/write with java.io API - Use Path, Files, FileSystem API - Stream operations on files |
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