Java SE 11 Developer (1Z0-819日本語版): 1Z0-819 Exam
"Java SE 11 Developer (1Z0-819日本語版)", also known as 1Z0-819 exam, is a Oracle Certification. With the complete collection of questions and answers, PrepAwayPDF has assembled to take you through 297 Q&As to your 1Z0-819 Exam preparation. In the 1Z0-819 exam resources, you will cover every field and category in Oracle Java SE Certification helping to ready you for your successful Oracle Certification.
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Certification Path for Java SE 11 Developer Exam Number: 1Z0-819
Java SE 11 Developer Exam Number: 1Z0-819 is a fundamental exam. Successful completion by candidates will allow them to achieve Oracle Certified Professional: Java SE 11 Developer.
How to book the Java SE 11 Developer Exam Number: 1Z0-819
You register with an Oracle partner pearsonvue.com, tie your Oracle account, choose whether you want to pass in the center or from home. If you choose the option from home, you will be followed through the camera and microphone throughout the exam, there should be no one in the room, you can not talk to anyone and look only at the screen, the Internet must be stable, without troubles, otherwise, the result will be canceled.
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What is Java SE 11 Developer Exam Number: 1Z0-819 Certification Exam and Retake policy
Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.
To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Exception Handling and Assertions | 8-12% | - Create custom exceptions and use standard exceptions - Use try-catch-finally, try-with-resources, throw and throws - Use assertions appropriately |
| Java Object-Oriented Approach | 15-20% | - Overload and override methods, use constructors and initializers - Apply encapsulation, inheritance, polymorphism and abstraction - Use local variable type inference - Declare and instantiate classes, interfaces, abstract classes and nested classes |
| Working with Java Data Types | 10-15% | - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Manipulate numeric values and formatting - Handle text using String, StringBuilder and StringBuffer classes |
| Arrays and Collections | 12-18% | - Use generics, wildcards and diamond notation - Sort and search collections and arrays - Create and manipulate arrays, lists, sets, maps, queues and deques |
| Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Java I/O and NIO.2 | 8-12% | - Manage files, directories and file attributes with java.nio.file API - Implement serialization and deserialization - Read and write data using streams, readers, writers and channels |
| Java Platform Module System | 8-12% | - Use automatic modules and unnamed modules - Define modules, module declarations, requires, exports, opens, uses and provides - Compile, package and run modular applications |
| Lambda Expressions and Streams | 12-18% | - Use Optional class and primitive type streams - Create and use stream pipelines, including intermediate and terminal operations - Define and use functional interfaces and lambda expressions |
| Concurrency | 8-12% | - Use synchronization, locks, atomic variables and concurrent collections - Create and manage threads, use ExecutorService, Callable and Future - Use parallel streams and CompletableFuture |
| JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
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