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Certified specialists in the field of Java development are highly valued by employers of large IT companies, so only those candidates who have proven their practical skills in using Java language by passing specialized Oracle exams can avoid serious competition and show their expertise. However, having the OCP Java SE 8 Programmer certificate will not only set you apart from other applicants but allow you to qualify for a higher salary.
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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:
- 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.
- Generics and Collections. This allows the candidate to create and use a generic class as well as ArrayList, TreeSet, TreeMap, and ArrayDeque objects.
- Java Concurrency. The candidates must be able to create worker threads, as well as to use parallel Fork/Join Framework and parallel Streams.
- 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.
- 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.
- Exceptions and Assertions. In other words, how to use try-catch and throw statements, alongside creating custom exceptions and Auto-closeable resources.
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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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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Oracle 1z0-809 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Java Stream API | - Stream processing
|
| Building Database Applications with JDBC | - Database connectivity
|
| Generics and Collections | - Collections framework
|
| Java File I/O | - NIO.2 API
|
| Java Class Design | - Object-oriented principles
|
| Java Concurrency | - Multithreading
|
| Java SE 8 Date/Time API | - Date and time handling
|
| Exceptions and Assertions | - Error handling
|
| Java I/O Fundamentals | - Input and output
|
| Advanced Java Class Design | - Advanced object-oriented features
|
| Lambda Built-in Functional Interfaces | - Functional programming
|
| Localization | - Internationalization
|
