Java SE 8 Programmer II (1z0-809日本語版): 1z0-809 Exam
"Java SE 8 Programmer II (1z0-809日本語版)", also known as 1z0-809 exam, is a Oracle Certification. With the complete collection of questions and answers, PrepAwayPDF has assembled to take you through 209 Q&As to your 1z0-809 Exam preparation. In the 1z0-809 exam resources, you will cover every field and category in Java SE Certification helping to ready you for your successful Oracle Certification.
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What is the duration of the 1Z0-809 Exam
- Passing Score: 65%
- Number of Questions: 85
- Format: Multiple choices, multiple answers
- Length of Examination: 150 minutes
Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| JDBC | 5% | - Process resultsets - Execute queries and updates - Connect to database |
| Java Class Design | 15% | - Create singleton and immutable classes - Implement inheritance including visibility modifiers and composition - Override hashCode, equals, and toString methods - Use static keyword in blocks, variables, methods, classes - Implement polymorphism - Implement encapsulation |
| Lambda Expressions and Functional Interfaces | 15% | - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use primitive and binary variants of functional interfaces - Use method references |
| Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Java Stream API | 15% | - Work with Optional class - Filter, map, and process streams - Use terminal operations: collect, reduce, count - Describe Stream interface and pipeline |
| Concurrency | 12% | - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Use java.util.concurrent components |
| Generics and Collections | 15% | - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Analyze type safety and type erasure - Use generic classes, interfaces, and methods |
| Java I/O and NIO.2 | 8% | - Read/write with java.io API - Stream operations on files - Use Path, Files, FileSystem API |
| Advanced Java Class Design | 10% | - Use abstract classes and methods - Use final keyword - Use enumerated types - Create inner classes: static, local, nested, anonymous |
| Exceptions and Assertions | 8% | - Use try-with-resources - Use assertions - Create custom exceptions - Use try-catch, multi-catch, finally |
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