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