Oracle 1z0-809 : Java SE 8 Programmer II
- Exam Code: 1z0-809
- Exam Name: Java SE 8 Programmer II
- Updated: Oct 15, 2026
- Q & A: 209 Questions and Answers
About Oracle 1z0-809 Exam
Difficulty in writing 1Z0-809 Exam
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What is the duration of the 1Z0-809 Exam
- Length of Examination: 150 minutes
- Passing Score: 65%
- Format: Multiple choices, multiple answers
- Number of Questions: 85
Oracle 1z0-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 |
| Topic 2: Advanced Java Class Design | 10% | - Use abstract classes and methods - Create inner classes: static, local, nested, anonymous - Use final keyword - Use enumerated types |
| Topic 3: Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones - Format and parse dates/times |
| Topic 4: Java Stream API | 15% | - Filter, map, and process streams - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count - Work with Optional class |
| Topic 5: JDBC | 5% | - Execute queries and updates - Connect to database - Process resultsets |
| Topic 6: Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Use java.util.concurrent components - Control thread lifecycle and synchronization |
| Topic 7: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Implement encapsulation - Create singleton and immutable classes - Implement inheritance including visibility modifiers and composition - Use static keyword in blocks, variables, methods, classes - Implement polymorphism |
| Topic 8: Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Stream operations on files - Read/write with java.io API |
| Topic 9: Lambda Expressions and Functional Interfaces | 15% | - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use method references - Use primitive and binary variants of functional interfaces |
| Topic 10: Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
| Topic 11: Exceptions and Assertions | 8% | - Use try-with-resources - Use try-catch, multi-catch, finally - Create custom exceptions - Use assertions |
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