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Oracle 1z1-809 (Java SE 8 Programmer II) Exam is a certification exam designed for experienced Java programmers who want to demonstrate their expertise in Java SE 8 programming. 1z1-809-KR exam is a prerequisite for obtaining the Oracle Certified Professional, Java SE 8 Programmer certification. Candidates who pass 1z1-809-KR exam demonstrate their advanced knowledge of Java programming concepts and the ability to apply them to real-world programming tasks.
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Oracle 1z0-809 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Stream API | 15% | - Work with Optional class - Describe Stream interface and pipeline - Filter, map, and process streams - Use terminal operations: collect, reduce, count |
| Topic 2: Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
| Topic 3: Exceptions and Assertions | 8% | - Create custom exceptions - Use try-catch, multi-catch, finally - Use try-with-resources - Use assertions |
| Topic 4: Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use enumerated types - Use final keyword - Use abstract classes and methods |
| Topic 5: Generics and Collections | 15% | - Analyze type safety and type erasure - Sort and search collections - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue |
| Topic 6: Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times |
| Topic 7: Java Class Design | 15% | - Implement encapsulation - Implement inheritance including visibility modifiers and composition - Override hashCode, equals, and toString methods - Implement polymorphism - Create singleton and immutable classes - Use static keyword in blocks, variables, methods, classes |
| Topic 8: Java I/O and NIO.2 | 8% | - Stream operations on files - Use Path, Files, FileSystem API - Read/write with java.io API |
| Topic 9: Concurrency | 12% | - Use java.util.concurrent components - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future |
| Topic 10: 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 11: JDBC | 5% | - Connect to database - Execute queries and updates - Process resultsets |
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