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:
- Java Class Design
- Java File I/O (NIO.2)
- Java I/O Fundamentals
- Java Concurrency
- Localization
- Lambda Built-in Functional Interfaces
- Building Database Applications with JDBC
- Exceptions and Assertions
- Use Java SE 8 Date/Time API
- Advanced Java Class Design
- Generics and Collections
- Java Stream API
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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What is the duration of the 1Z0-809 Exam
- Format: Multiple choices, multiple answers
- Passing Score: 65%
- Length of Examination: 150 minutes
- Number of Questions: 85
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Certification Path
Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.
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Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Stream API | 15% | - Filter, map, and process streams - Work with Optional class - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count |
| Topic 2: Concurrency | 12% | - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use Executors, Callable, Future |
| Topic 3: Java Class Design | 15% | - Implement inheritance including visibility modifiers and composition - Implement encapsulation - Override hashCode, equals, and toString methods - Create singleton and immutable classes - Implement polymorphism - Use static keyword in blocks, variables, methods, classes |
| Topic 4: 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 |
| Topic 5: Generics and Collections | 15% | - Sort and search collections - Use Collections Framework: List, Set, Map, Queue - Analyze type safety and type erasure - Use generic classes, interfaces, and methods |
| Topic 6: JDBC | 5% | - Process resultsets - Execute queries and updates - Connect to database |
| Topic 7: Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Use assertions - Create custom exceptions - Use try-with-resources |
| Topic 8: Localization | 5% | - Work with resource bundles - Use Locale class - Format numbers, dates, messages |
| Topic 9: Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Stream operations on files - Read/write with java.io API |
| 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: Advanced Java Class Design | 10% | - Use abstract classes and methods - Use enumerated types - Create inner classes: static, local, nested, anonymous - Use final keyword |
