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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 |
|---|---|---|
| Topic 1: Concurrency | 12% | - Use java.util.concurrent components - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future |
| Topic 2: Java Class Design | 15% | - Use static keyword in blocks, variables, methods, classes - Implement polymorphism - Override hashCode, equals, and toString methods - Create singleton and immutable classes - Implement encapsulation - Implement inheritance including visibility modifiers and composition |
| Topic 3: Generics and Collections | 15% | - Use generic classes, interfaces, and methods - Sort and search collections - Use Collections Framework: List, Set, Map, Queue - Analyze type safety and type erasure |
| Topic 4: Lambda Expressions and Functional Interfaces | 15% | - Use method references - Use primitive and binary variants of functional interfaces - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Topic 5: Exceptions and Assertions | 8% | - Use assertions - Create custom exceptions - Use try-catch, multi-catch, finally - Use try-with-resources |
| Topic 6: Localization | 5% | - Use Locale class - Format numbers, dates, messages - Work with resource bundles |
| 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: JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Topic 9: Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use enumerated types - Use abstract classes and methods - Use final keyword |
| Topic 10: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones |
| Topic 11: Java Stream API | 15% | - Work with Optional class - Filter, map, and process streams - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count |
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