How to book the 1Z0-809 Exam
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1Z0-809 Exam topics
Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our Oracle 1Z0-809 exam dumps will include the following topics:
- Lambda Built-in Functional Interfaces
- Java Concurrency
- Generics and Collections
- Use Java SE 8 Date/Time API
- Java Class Design
- Advanced Java Class Design
- Exceptions and Assertions
- Java File I/O (NIO.2)
- Java I/O Fundamentals
- Localization
- Java Stream API
- Building Database Applications with JDBC
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 |
|---|---|---|
| Topic 1: Generics and Collections | 15% | - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Analyze type safety and type erasure |
| Topic 2: Concurrency | 12% | - Use Executors, Callable, Future - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use java.util.concurrent components |
| Topic 3: 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 4: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones |
| Topic 5: JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Topic 6: Exceptions and Assertions | 8% | - Create custom exceptions - Use try-catch, multi-catch, finally - Use try-with-resources - Use assertions |
| Topic 7: Localization | 5% | - Work with resource bundles - Use Locale class - Format numbers, dates, messages |
| Topic 8: Java I/O and NIO.2 | 8% | - Stream operations on files - Use Path, Files, FileSystem API - Read/write with java.io API |
| Topic 9: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Implement inheritance including visibility modifiers and composition - Create singleton and immutable classes - Implement encapsulation - Use static keyword in blocks, variables, methods, classes - Implement polymorphism |
| Topic 10: Advanced Java Class Design | 10% | - Use enumerated types - Use final keyword - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods |
| Topic 11: Java Stream API | 15% | - Filter, map, and process streams - Describe Stream interface and pipeline - Work with Optional class - Use terminal operations: collect, reduce, count |
