Who should take the 1Z0-809 exam
The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification is an internationally-recognized validation that identifies persons who earn it as possessing skilled as an Oracle Certified Java Programmer. If a candidate wants significant improvement in career growth needs enhanced knowledge, skills, and talents. The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification provides proof of this advanced knowledge and skill. If a candidate has knowledge of associated technologies and skills that are required to pass Oracle Java SE 8 Programmer II 1Z0-809 Exam then he should take this exam.
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Java 1Z0-809 Free Test is a test created to demonstrate all the features of our Java8 Professional Web Simulator. You will be able to access 25 full questions and will have 44 minutes to finish the test.
There are several components you can interact with when you take our mock exams:
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For more info visit: Oracle Java8 1Z0-809 Exam Reference
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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:
- Exceptions and Assertions. In other words, how to use try-catch and throw statements, alongside creating custom exceptions and Auto-closeable resources.
- NIO.2, Path Interface, and Files Class.
- Generics and Collections. This allows the candidate to create and use a generic class as well as ArrayList, TreeSet, TreeMap, and ArrayDeque objects.
- 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.
- I/O Fundamentals. It means the skill of reading and writing data from the console.
- 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.
- 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.
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 | Objectives |
|---|---|
| Java Class Design | - Polymorphism and Method Overriding - Inheritance and Encapsulation |
| Database Access | - SQL Operations via Java - JDBC API |
| Advanced Object-Oriented Concepts | - Abstract Classes and Interfaces - Nested and Inner Classes |
| Streams API | - Parallel Streams - Stream Operations |
| Functional Programming | - Lambda Expressions - Functional Interfaces |
| Concurrency | - Threading and Runnable - Concurrency Utilities |
| Java I/O | - File I/O (NIO.2) - Serialization |
| Exceptions and Assertions | - Assertions - Exception Handling |
| Generics and Collections | - Generic Types and Methods - Java Collections Framework |





