Exam Name: Java SE 11 Developer (1Z0-819日本語版)
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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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.
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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.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Topic 2: Working with Java Data Types | 10-15% | - Handle text using String, StringBuilder and StringBuffer classes - Manipulate numeric values and formatting - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting |
| Topic 3: Arrays and Collections | 12-18% | - Create and manipulate arrays, lists, sets, maps, queues and deques - Use generics, wildcards and diamond notation - Sort and search collections and arrays |
| Topic 4: Java Platform Module System | 8-12% | - Define modules, module declarations, requires, exports, opens, uses and provides - Use automatic modules and unnamed modules - Compile, package and run modular applications |
| Topic 5: Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Topic 6: Java Object-Oriented Approach | 15-20% | - Declare and instantiate classes, interfaces, abstract classes and nested classes - Apply encapsulation, inheritance, polymorphism and abstraction - Use local variable type inference - Overload and override methods, use constructors and initializers |
| Topic 7: Java I/O and NIO.2 | 8-12% | - Implement serialization and deserialization - Read and write data using streams, readers, writers and channels - Manage files, directories and file attributes with java.nio.file API |
| Topic 8: Concurrency | 8-12% | - Use synchronization, locks, atomic variables and concurrent collections - Use parallel streams and CompletableFuture - Create and manage threads, use ExecutorService, Callable and Future |
| Topic 9: Lambda Expressions and Streams | 12-18% | - Define and use functional interfaces and lambda expressions - Create and use stream pipelines, including intermediate and terminal operations - Use Optional class and primitive type streams |
| Topic 10: Exception Handling and Assertions | 8-12% | - Use try-catch-finally, try-with-resources, throw and throws - Create custom exceptions and use standard exceptions - Use assertions appropriately |
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