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What is the duration of the 1Z0-809 Exam
- Number of Questions: 85
- Length of Examination: 150 minutes
- Format: Multiple choices, multiple answers
- Passing Score: 65%
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How much 1Z0-809 Exam Cost
The price of the 1Z0-809 exam is $245 USD.
Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Class Design | 15% | - Create singleton and immutable classes - Override hashCode, equals, and toString methods - Implement encapsulation - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Use static keyword in blocks, variables, methods, classes |
| Topic 2: Generics and Collections | 15% | - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue - Analyze type safety and type erasure - Sort and search collections |
| Topic 3: JDBC | 5% | - Process resultsets - Execute queries and updates - Connect to database |
| Topic 4: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Topic 5: Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use enumerated types - Use final keyword |
| Topic 6: Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components - Use Executors, Callable, Future - Control thread lifecycle and synchronization |
| Topic 7: Java Stream API | 15% | - Work with Optional class - Use terminal operations: collect, reduce, count - Describe Stream interface and pipeline - Filter, map, and process streams |
| Topic 8: Lambda Expressions and Functional Interfaces | 15% | - Create and use lambda expressions - Use method references - Use primitive and binary variants of functional interfaces - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Topic 9: Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Read/write with java.io API - Stream operations on files |
| Topic 10: Localization | 5% | - Work with resource bundles - Use Locale class - Format numbers, dates, messages |
| Topic 11: Exceptions and Assertions | 8% | - Use try-with-resources - Use try-catch, multi-catch, finally - Use assertions - Create custom exceptions |
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