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Last Updated: Aug 26, 2026
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What is the duration of the 1Z0-809 Exam
- Number of Questions: 85
- Length of Examination: 150 minutes
- Passing Score: 65%
- Format: Multiple choices, multiple answers
The Oracle 1Z0-809 exam is intended for those individuals who want to get the Oracle Certified Professional, Java SE 8 Programmer certification. The potential candidates for this test are those IT specialists who have some years of experience with Java SE 8 platform and hold the Oracle Certified Associate, Java SE 8 Programmer credential.
The Oracle 1Z0-809 is a 150-minute test with 85 questions, that are mainly of a multiple-choice format, but there may also be other types, such as drag and drop, simulations, or scenario-based. This certification exam is available in the English language and the passing score for it is 65%. However, you need to try to get more than that.
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Certification Path
Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.
Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: JDBC | 5% | - Process resultsets - Execute queries and updates - Connect to database |
| Topic 2: Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components - Control thread lifecycle and synchronization - Use Executors, Callable, Future |
| Topic 3: Java Stream API | 15% | - Filter, map, and process streams - Work with Optional class - Use terminal operations: collect, reduce, count - Describe Stream interface and pipeline |
| Topic 4: Java Class Design | 15% | - Use static keyword in blocks, variables, methods, classes - Implement polymorphism - Implement inheritance including visibility modifiers and composition - Implement encapsulation - Override hashCode, equals, and toString methods - Create singleton and immutable classes |
| Topic 5: Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Topic 6: Generics and Collections | 15% | - Use generic classes, interfaces, and methods - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue - Sort and search collections |
| Topic 7: Java I/O and NIO.2 | 8% | - Read/write with java.io API - Stream operations on files - Use Path, Files, FileSystem API |
| Topic 8: Exceptions and Assertions | 8% | - Create custom exceptions - Use try-with-resources - Use try-catch, multi-catch, finally - Use assertions |
| Topic 9: Advanced Java Class Design | 10% | - Use final keyword - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use enumerated types |
| Topic 10: Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Create and use lambda expressions - Use method references |
| Topic 11: Localization | 5% | - Format numbers, dates, messages - Work with resource bundles - Use Locale class |
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