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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.
The Oracle 1Z0-809 exam is intended for those individuals who want to get the Oracle Certified Professional, Java SE 8 Programmer certification. The potential candidates for this test are those IT specialists who have some years of experience with Java SE 8 platform and hold the Oracle Certified Associate, Java SE 8 Programmer credential.
The Oracle 1Z0-809 is a 150-minute test with 85 questions, that are mainly of a multiple-choice format, but there may also be other types, such as drag and drop, simulations, or scenario-based. This certification exam is available in the English language and the passing score for it is 65%. However, you need to try to get more than that.
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Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Use method references - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Control thread lifecycle and synchronization - Use java.util.concurrent components |
| JDBC | 5% | - Process resultsets - Connect to database - Execute queries and updates |
| Generics and Collections | 15% | - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Analyze type safety and type erasure - Use generic classes, interfaces, and methods |
| Exceptions and Assertions | 8% | - Use assertions - Use try-with-resources - Use try-catch, multi-catch, finally - Create custom exceptions |
| Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use final keyword - Use enumerated types |
| Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Read/write with java.io API - Stream operations on files |
| Java Class Design | 15% | - Implement inheritance including visibility modifiers and composition - Create singleton and immutable classes - Implement encapsulation - Implement polymorphism - Use static keyword in blocks, variables, methods, classes - Override hashCode, equals, and toString methods |
| Java Stream API | 15% | - Describe Stream interface and pipeline - Filter, map, and process streams - Use terminal operations: collect, reduce, count - Work with Optional class |
