Oracle 1z0-809 Korean : Java SE 8 Programmer II (1z0-809 Korean Version)
- Exam Code: 1z0-809 Korean
- Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
- Updated: Aug 09, 2026
- Q & A: 209 Questions and Answers
About Oracle 1z0-809 Korean Exam
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Oracle Java SE 8 Programmer II 1Z0-809 Exam
Oracle Java SE 8 Programmer II 1Z0-809 Exam is related to Oracle Java SE and credits toward Oracle Certified Professional and Java SE 8 Programmer Certification. This exam is part second of the Java SE 8 Programmer. This exam validates the ability to develop code that uses the static keyword on blocks, variables, methods and chases, implements and intends interfaces and use the at override annotation, search for data by using search methods of the stream classes, save results to a collection. It also validates the ability to create and manage date-based and time-based events including a combination of date and time int a single object. Java EE Developers, Web Developers and Java Developers usually hold or pursue this certification and you can expect the same job role after completion of this certification.
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Oracle 1z0-809 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Generics and Collections | 15% | - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Use generic classes, interfaces, and methods |
| Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use final keyword - Use abstract classes and methods - Use enumerated types |
| Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Concurrency | 12% | - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Control thread lifecycle and synchronization |
| JDBC | 5% | - Process resultsets - Execute queries and updates - Connect to database |
| Lambda Expressions and Functional Interfaces | 15% | - Create and use lambda expressions - Use method references - Use primitive and binary variants of functional interfaces - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Exceptions and Assertions | 8% | - Use assertions - Use try-catch, multi-catch, finally - Create custom exceptions - Use try-with-resources |
| Java Stream API | 15% | - Filter, map, and process streams - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count - Work with Optional class |
| Localization | 5% | - Use Locale class - Format numbers, dates, messages - Work with resource bundles |
| Java Class Design | 15% | - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Create singleton and immutable classes - Use static keyword in blocks, variables, methods, classes - Override hashCode, equals, and toString methods - Implement encapsulation |
| Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Stream operations on files - Read/write with java.io API |
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