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Oracle Certified Java Programmer is the most powerful certification that candidates can have on their resume. But for this, they will have to pass Oracle 1Z0-809 questions. Oracle 1Z0-809 is a challenging exam to pass this exam Candidates will have to work hard with the help of right focus and preparation material passing this exam is an achievable goal. TestBraindump help candidates by providing the most relevant and updated Oracle 1Z0-809 exam dumps. Furthermore, We also provide the Oracle 1Z0-809 practice test that will be much beneficial in the preparation. TestBraindump aims to provide the best Oracle 1Z0-809 exam dumps that is verified by the Oracle experts. If Candidates feel any doubt in the Oracle 1Z0-809 practice test then our team is always there to help them. Oracle 1Z0-809 exam dumps are the perfect way to prepare Oracle 1Z0-809 exam with good grades in the just first attempt. So, Candidates want instant success in the Oracle 1Z0-809 exam with quality Oracle 1Z0-809 training material then TestBraindump is the best option for them because our management is well trained in it and we update each question of all exams on regular basis after consulting recent updates with our Oracle certified professionals.
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.
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:
- Exceptions and Assertions
- Java Stream API
- Localization
- Java File I/O (NIO.2)
- Java I/O Fundamentals
- Generics and Collections
- Java Class Design
- Lambda Built-in Functional Interfaces
- Java Concurrency
- Use Java SE 8 Date/Time API
- Building Database Applications with JDBC
- Advanced Java Class Design
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Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Java Stream API | 15% | - Filter, map, and process streams - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count - Work with Optional class |
| Java Class Design | 15% | - Implement inheritance including visibility modifiers and composition - Use static keyword in blocks, variables, methods, classes - Implement encapsulation - Implement polymorphism - Create singleton and immutable classes - Override hashCode, equals, and toString methods |
| Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Control thread lifecycle and synchronization - Use java.util.concurrent components |
| 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 |
| Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
| Java I/O and NIO.2 | 8% | - Read/write with java.io API - Use Path, Files, FileSystem API - Stream operations on files |
| Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times - Work with Period, Duration, time zones |
| Exceptions and Assertions | 8% | - Use assertions - Use try-with-resources - Use try-catch, multi-catch, finally - Create custom exceptions |
| Lambda Expressions and Functional Interfaces | 15% | - Use method references - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Create and use lambda expressions - Use primitive and binary variants of functional interfaces |
| JDBC | 5% | - Process resultsets - Execute queries and updates - Connect to database |
| Advanced Java Class Design | 10% | - Use final keyword - Use enumerated types - Use abstract classes and methods - Create inner classes: static, local, nested, anonymous |
