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What is the duration of the 1Z0-809 Exam
- Format: Multiple choices, multiple answers
- Length of Examination: 150 minutes
- Number of Questions: 85
- Passing Score: 65%
Given that this exam is at the professional level of certification, candidates have a large amount of work to do. Therefore, the first thing that is recommended is to thoroughly review the complete list of topics available on the official exam page, which includes:
- 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.
- 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.
- NIO.2, Path Interface, and Files Class.
- I/O Fundamentals. It means the skill of reading and writing data from the console.
- Generics and Collections. This allows the candidate to create and use a generic class as well as ArrayList, TreeSet, TreeMap, and ArrayDeque objects.
- Exceptions and Assertions. In other words, how to use try-catch and throw statements, alongside creating custom exceptions and Auto-closeable resources.
- 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.
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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There are two main types of resources for preparation of certification exams first there are the study guides and the books that are detailed and suitable for building knowledge from ground up then there are video tutorial and lectures that can somehow ease the pain of through study and are comparatively less boring for some candidates yet these demand time and concentration from the learner. Smart Candidates who want to build a solid foundation in all exam topics and related technologies usually combine video lectures with study guides to reap the benefits of both but there is one crucial preparation tool as often overlooked by most candidates the practice exams. Practice exams are built to make students comfortable with the real exam environment. Statistics have shown that most students fail not due to that preparation but due to exam anxiety the fear of the unknown. RealValidExam expert team recommends you to prepare some notes on these topics along with it don't forget to practice Oracle 1Z0-809 exam dumps which have been written by our expert team, Both these will help you a lot to clear this exam with good marks.
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% | - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue - Use generic classes, interfaces, and methods - Sort and search collections |
| Topic 2: Advanced Java Class Design | 10% | - Use abstract classes and methods - Use final keyword - Create inner classes: static, local, nested, anonymous - Use enumerated types |
| Topic 3: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones |
| Topic 4: Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Create and use lambda expressions - Use method references |
| Topic 5: Exceptions and Assertions | 8% | - Use assertions - Create custom exceptions - Use try-with-resources - Use try-catch, multi-catch, finally |
| Topic 6: JDBC | 5% | - Process resultsets - Execute queries and updates - Connect to database |
| Topic 7: Concurrency | 12% | - Use java.util.concurrent components - Control thread lifecycle and synchronization - Use Executors, Callable, Future - Create threads: Thread class, Runnable, ExecutorService |
| Topic 8: Java Class Design | 15% | - Use static keyword in blocks, variables, methods, classes - Implement encapsulation - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Override hashCode, equals, and toString methods - Create singleton and immutable classes |
| Topic 9: Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Read/write with java.io API - Stream operations on files |
| Topic 10: Java Stream API | 15% | - Work with Optional class - Filter, map, and process streams - Use terminal operations: collect, reduce, count - Describe Stream interface and pipeline |
| Topic 11: Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
