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Oracle 1z0-809 certification exam is designed for professionals who have already completed the Oracle Certified Associate (OCA) certification and are looking to further their knowledge and skills in Java programming. 1z1-809-JPN exam tests the individual's understanding of advanced Java concepts, including functional programming, concurrency, and I/O. Passing 1z1-809-JPN exam demonstrates an individual's ability to create effective and efficient applications using Java SE 8.
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Java 1Z0-809 Free Test is a test created to demonstrate all the features of our Java8 Professional Web Simulator. You will be able to access 25 full questions and will have 44 minutes to finish the test.
There are several components you can interact with when you take our mock exams:
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For more info visit: Oracle Java8 1Z0-809 Exam Reference
Oracle 1z0-809 exam consists of 90 multiple-choice questions that must be completed within a three-hour time limit. 1z1-809-JPN exam is computer-based and can be taken at any authorized testing center. 1z1-809-JPN exam is scored on a scale of 1000, with a passing score of 65%. 1z1-809-JPN exam fee is $245, but it may vary depending on the country and location where the exam is taken.
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Oracle 1z0-809 exam is a comprehensive test that evaluates a candidate's ability to develop complex Java applications using advanced programming techniques. It consists of 85 multiple-choice questions that need to be completed within 150 minutes. 1z1-809-JPN exam is available in multiple languages, including English, Japanese, and Simplified Chinese. To pass the exam, a candidate needs to score at least 65% of the total marks.
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Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Class Design | 15% | - Implement polymorphism - Implement encapsulation - Implement inheritance including visibility modifiers and composition - Use static keyword in blocks, variables, methods, classes - Override hashCode, equals, and toString methods - Create singleton and immutable classes |
| Topic 2: JDBC | 5% | - Connect to database - Process resultsets - Execute queries and updates |
| Topic 3: Concurrency | 12% | - Use Executors, Callable, Future - Control thread lifecycle and synchronization - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService |
| Topic 4: Java I/O and NIO.2 | 8% | - Read/write with java.io API - Stream operations on files - Use Path, Files, FileSystem API |
| Topic 5: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Topic 6: Java Stream API | 15% | - Use terminal operations: collect, reduce, count - Work with Optional class - Describe Stream interface and pipeline - Filter, map, and process streams |
| Topic 7: Lambda Expressions and Functional Interfaces | 15% | - Create and use lambda expressions - Use method references - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use primitive and binary variants of functional interfaces |
| Topic 8: Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
| Topic 9: Advanced Java Class Design | 10% | - Use abstract classes and methods - Use enumerated types - Use final keyword - Create inner classes: static, local, nested, anonymous |
| Topic 10: Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Create custom exceptions - Use try-with-resources - Use assertions |
| Topic 11: Generics and Collections | 15% | - Sort and search collections - Use generic classes, interfaces, and methods - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue |
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