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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:
- I/O Fundamentals. It means the skill of reading and writing data from the console.
- 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.
- 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.
- 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.
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.
How much 1Z0-809 Exam Cost
The price of the 1Z0-809 exam is $245 USD.
Oracle 1z0-809日本語 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Java SE 8 Programmer II |
| Exam Number: | 1Z0-809 |
| Available Languages: | English, Simplified Chinese, Japanese |
| Exam Duration: | 120 minutes |
| Exam Format: | Multiple Choice, Multiple Select |
| Exam Price: | USD $245 |
| Related Certifications: | Oracle Certified Associate, Java SE 8 Programmer |
| Certificate Validity Period: | Does not expire |
| Real Exam Qty: | 68 |
| Passing Score: | 65% |
| Recommended Training: | Java SE 8 Programmer II Exam Preparation Seminar Java SE 8 Programming II |
| Exam Registration: | Oracle University Exam Purchase Pearson VUE Registration |
| Sample Questions: | Oracle 1z0-809日本語 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification |
| Official Syllabus URL: | https://education.oracle.com/java-se-8-programmer-ii/pexam_1Z0-809 |
Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Class Design | 15% | - Implement inheritance including visibility modifiers and composition - Use static keyword in blocks, variables, methods, classes - Implement encapsulation - Create singleton and immutable classes - Implement polymorphism - Override hashCode, equals, and toString methods |
| Topic 2: Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
| Topic 3: Java I/O and NIO.2 | 8% | - Stream operations on files - Read/write with java.io API - Use Path, Files, FileSystem API |
| Topic 4: Generics and Collections | 15% | - Analyze type safety and type erasure - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue - Sort and search collections |
| Topic 5: Concurrency | 12% | - Control thread lifecycle and synchronization - Use Executors, Callable, Future - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components |
| Topic 6: Advanced Java Class Design | 10% | - Use enumerated types - Use abstract classes and methods - Create inner classes: static, local, nested, anonymous - Use final keyword |
| Topic 7: Java Stream API | 15% | - Describe Stream interface and pipeline - Work with Optional class - Use terminal operations: collect, reduce, count - Filter, map, and process streams |
| Topic 8: Exceptions and Assertions | 8% | - Create custom exceptions - Use assertions - Use try-catch, multi-catch, finally - Use try-with-resources |
| Topic 9: JDBC | 5% | - Execute queries and updates - Connect to database - Process resultsets |
| Topic 10: Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use method references - Create and use lambda expressions |
| Topic 11: Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times |
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