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