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