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