Instant Download 1z0-809日本語 Exam Dumps : Java SE 8 Programmer II (1z0-809日本語版)
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Oracle 1z0-809 exam is a multiple-choice exam that consists of 85 questions, and candidates are given 150 minutes to complete it. 1z0-809-JPN exam is available in several languages, including English, Japanese, and Simplified Chinese. The passing score for the Oracle 1z0-809 exam is 63%, and the cost of the exam varies depending on the location.
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Oracle 1z0-809 (Java SE 8 Programmer II) Certification Exam is a professional certification exam that validates the skills of Java programmers in developing advanced applications using the Java programming language. Java SE 8 Programmer II (1z0-809日本語版) certification exam is designed for professionals who have already earned the Oracle Certified Associate (OCA) Java SE 8 Programmer certification and are looking to advance their skills further. Java SE 8 Programmer II (1z0-809日本語版) certification exam tests the candidate's knowledge in developing Java applications that are efficient, scalable, and secure.
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Oracle 1z1-809 certification exam has a duration of 150 minutes and consists of 85 multiple-choice questions. 1z0-809-JPN exam covers a wide range of topics, including Java Class Design, Advanced Java Class Design, Generics and Collections, Lambda Built-in Functional Interfaces, Java Stream API, Exceptions and Assertions, Java I/O Fundamentals, Java File I/O, Java Concurrency, Building Database Applications with JDBC, Localization, and Annotations.
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Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Exceptions and Assertions | 8% | - Use try-with-resources - Use try-catch, multi-catch, finally - Use assertions - Create custom exceptions |
| Topic 2: Lambda Expressions and Functional Interfaces | 15% | - Use method references - Create and use lambda expressions - Use primitive and binary variants of functional interfaces - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Topic 3: Java Stream API | 15% | - Use terminal operations: collect, reduce, count - Describe Stream interface and pipeline - Filter, map, and process streams - Work with Optional class |
| Topic 4: Generics and Collections | 15% | - Use Collections Framework: List, Set, Map, Queue - Analyze type safety and type erasure - Use generic classes, interfaces, and methods - Sort and search collections |
| Topic 5: Java I/O and NIO.2 | 8% | - Stream operations on files - Read/write with java.io API - Use Path, Files, FileSystem API |
| Topic 6: Advanced Java Class Design | 10% | - Use abstract classes and methods - Use enumerated types - Create inner classes: static, local, nested, anonymous - Use final keyword |
| Topic 7: Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times - Work with Period, Duration, time zones |
| Topic 8: Concurrency | 12% | - Use Executors, Callable, Future - Use java.util.concurrent components - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService |
| Topic 9: JDBC | 5% | - Connect to database - Process resultsets - Execute queries and updates |
| Topic 10: Localization | 5% | - Work with resource bundles - Use Locale class - Format numbers, dates, messages |
| Topic 11: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Implement encapsulation - Use static keyword in blocks, variables, methods, classes - Implement polymorphism - Implement inheritance including visibility modifiers and composition - Create singleton and immutable classes |
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