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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.
Which candidate knowledge the exam will verify
The 1z0-813 certification exam will verify that the successful candidate has important knowledge and skills necessary to Java SE 8 Programming include Language Enhancements, Concurrency, Localization, Java File I/O, Lambda, Java Collections, and Java Streams.
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What is the duration of 1z0-813 Exam
The duration of this exam is 130 minutes
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Oracle 1z0-813日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Java Date/Time API | 15% | - LocalDate, LocalTime, LocalDateTime, Instant - Time zones and daylight saving adjustments - Formatting and parsing dates/times - Period, Duration, and ChronoUnit |
| Java Language Enhancements | 15% | - Diamond operator improvements - Multi-catch exception handling - Try-with-resources statements - String in switch statement, binary literals, underscores in literals - Type inference and target typing |
| Localization | 10% | - Locale class and resource bundles - Formatting dates, numbers, and currencies |
| Interfaces and Lambda Expressions | 15% | - Inheritance rules for default methods - Functional interfaces and lambda expressions - Static and default methods in interfaces - Method references |
| Java File I/O (NIO.2) | 15% | - WatchService for directory changes - DirectoryStream and FileVisitor - Path and Files classes operations - PathMatcher and file attributes |
| Concurrency Enhancements | 10% | - Executors, ExecutorService, Callable, Future - Fork/Join framework - Java SE 8 concurrent collections improvements |
| Java Stream API | 20% | - Stream pipelines, intermediate and terminal operations - Reduction, decomposition, and aggregation operations - Lazy evaluation and parallel streams - Stream creation: Arrays.stream(), IntStream.range(), etc. |
