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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.
Oracle 1z0-809 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Advanced Java Class Design | 10% | - Use final keyword - Use abstract classes and methods - Create inner classes: static, local, nested, anonymous - Use enumerated types |
| Exceptions and Assertions | 8% | - Use assertions - Use try-with-resources - Create custom exceptions - Use try-catch, multi-catch, finally |
| Java Class Design | 15% | - Implement encapsulation - Implement polymorphism - Create singleton and immutable classes - Implement inheritance including visibility modifiers and composition - Use static keyword in blocks, variables, methods, classes - Override hashCode, equals, and toString methods |
| Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant |
| JDBC | 5% | - Connect to database - Process resultsets - Execute queries and updates |
| Concurrency | 12% | - Use Executors, Callable, Future - Use java.util.concurrent components - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService |
| Generics and Collections | 15% | - Analyze type safety and type erasure - Sort and search collections - Use Collections Framework: List, Set, Map, Queue - Use generic classes, interfaces, and methods |
| Localization | 5% | - Work with resource bundles - Use Locale class - Format numbers, dates, messages |
| Java I/O and NIO.2 | 8% | - Read/write with java.io API - Stream operations on files - Use Path, Files, FileSystem API |
| 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 |
| Java Stream API | 15% | - Use terminal operations: collect, reduce, count - Describe Stream interface and pipeline - Filter, map, and process streams - Work with Optional class |
