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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. PracticeVCE 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. PracticeVCE 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 PracticeVCE 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.
What is the duration of the 1Z0-809 Exam
- Number of Questions: 85
- Length of Examination: 150 minutes
- Passing Score: 65%
- Format: Multiple choices, multiple answers
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- NIO.2, Path Interface, and Files Class.
- Localization. In particular how to read and set the locale by using the Locale object, to create and read a Properties file, and to build a recourse bundle for each locale.
- I/O Fundamentals. It means the skill of reading and writing data from the console.
- Exceptions and Assertions. In other words, how to use try-catch and throw statements, alongside creating custom exceptions and Auto-closeable resources.
- Stream API. It means the code development that uses optional class, Stream data, and calculation methods in addition to sorting a collection using Stream API.
- Advanced Class Design. Specifically, candidates must demonstrate skills in how to implement encapsulation, polymorphism, and inheritance.
- Java Concurrency. The candidates must be able to create worker threads, as well as to use parallel Fork/Join Framework and parallel Streams.
- Generics and Collections. This allows the candidate to create and use a generic class as well as ArrayList, TreeSet, TreeMap, and ArrayDeque objects.
To apply for this Oracle certification test, you should first pay $245 for a voucher. After that, go to Pearson VUE and log into your account. Enter the exam code, which should be 1Z0-809, and follow the instructions that will pop up.
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Oracle 1z1-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use method references - Create and use lambda expressions |
| Topic 2: Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use Executors, Callable, Future - Use java.util.concurrent components |
| Topic 3: Advanced Java Class Design | 10% | - Use abstract classes and methods - Use enumerated types - Create inner classes: static, local, nested, anonymous - Use final keyword |
| 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: Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Create custom exceptions - Use assertions - Use try-with-resources |
| Topic 6: Generics and Collections | 15% | - Use Collections Framework: List, Set, Map, Queue - Analyze type safety and type erasure - Use generic classes, interfaces, and methods - Sort and search collections |
| Topic 7: Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Read/write with java.io API - Stream operations on files |
| Topic 8: Java Class Design | 15% | - Use static keyword in blocks, variables, methods, classes - Create singleton and immutable classes - Implement inheritance including visibility modifiers and composition - Implement encapsulation - Implement polymorphism - Override hashCode, equals, and toString methods |
| Topic 9: JDBC | 5% | - Connect to database - Execute queries and updates - Process resultsets |
| Topic 10: Java Stream API | 15% | - Work with Optional class - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count - Filter, map, and process streams |
| Topic 11: Localization | 5% | - Work with resource bundles - Format numbers, dates, messages - Use Locale class |
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