PDF Version DemoWho should take the exam
if you have the following prerequisite and required skills then you should take this exam for getting Oracle Certified Professional - Java SE 8 Programmer certificate.
- Have experience and skills of Java 6 or previous version programming
- Have expertise in Java 8 programming
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Having an Oracle Certified Professional - Java SE 8 Programmer certification will certainly give you an advantage when hiring managers to look at your resume. If you have certification is a significant advantage in jobs competition as compared to those who do not have one. If you have the certificate then you can move up the corporate ladder or into a better, higher-paying job in your company. You can also join a unique group of certified and skilled professionals. There are many companies that support their employees in earning these certifications that may even lead to promotions and raises as well. Many companies have requirements by their professional recertify every two to three years.
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How to study 1z0-813 Exam
Oracle offered the following courses to help you prepare for the certification tests.
This course is recommended, but not required, before taking a 1z0-813 certification exam. When preparing for the 1z0-813 certification exam, keep in mind that real world experience is required to stand a reasonable chance of passing 1z0-813 exam.
Oracle 1z1-813 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Localization | 10% | - Formatting dates, numbers, and currencies - Locale class and resource bundles |
| Java File I/O (NIO.2) | 15% | - Path and Files classes operations - DirectoryStream and FileVisitor - PathMatcher and file attributes - WatchService for directory changes |
| Interfaces and Lambda Expressions | 15% | - Functional interfaces and lambda expressions - Method references - Inheritance rules for default methods - Static and default methods in interfaces |
| Concurrency Enhancements | 10% | - Executors, ExecutorService, Callable, Future - Fork/Join framework - Java SE 8 concurrent collections improvements |
| Java Language Enhancements | 15% | - Type inference and target typing - Multi-catch exception handling - Diamond operator improvements - Try-with-resources statements - String in switch statement, binary literals, underscores in literals |
| Java Stream API | 20% | - Stream pipelines, intermediate and terminal operations - Lazy evaluation and parallel streams - Reduction, decomposition, and aggregation operations - Stream creation: Arrays.stream(), IntStream.range(), etc. |
| Java Date/Time API | 15% | - LocalDate, LocalTime, LocalDateTime, Instant - Period, Duration, and ChronoUnit - Time zones and daylight saving adjustments - Formatting and parsing dates/times |
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