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Last Updated: Oct 04, 2026
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Oracle 1z1-819 exam is a computer-based exam that consists of 80 multiple-choice questions. 1z1-819-JPN exam duration is 180 minutes, and the passing score is 63%. 1z1-819-JPN exam fee is $245, and the exam can be taken at any Pearson VUE testing center worldwide.
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Oracle 1Z0-819 exam is intended for developers who have a good understanding of the Java programming language and its features. Candidates who pass 1z1-819-JPN exam will be able to demonstrate their proficiency in developing applications using Java SE 11 and will be recognized as certified Java developers by Oracle. Java SE 11 Developer (1Z0-819日本語版) certification can help developers to enhance their career prospects and increase their earning potential in the software development industry.
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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 |
|---|---|---|
| Java I/O and NIO.2 | 8-12% | - Implement serialization and deserialization - Manage files, directories and file attributes with java.nio.file API - Read and write data using streams, readers, writers and channels |
| 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 |
| Lambda Expressions and Streams | 12-18% | - Create and use stream pipelines, including intermediate and terminal operations - Use Optional class and primitive type streams - Define and use functional interfaces and lambda expressions |
| Working with Java Data Types | 10-15% | - Manipulate numeric values and formatting - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Handle text using String, StringBuilder and StringBuffer classes |
| JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Java Platform Module System | 8-12% | - Compile, package and run modular applications - Use automatic modules and unnamed modules - Define modules, module declarations, requires, exports, opens, uses and provides |
| Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Apply encapsulation, inheritance, polymorphism and abstraction - Declare and instantiate classes, interfaces, abstract classes and nested classes - Overload and override methods, use constructors and initializers |
| Exception Handling and Assertions | 8-12% | - Use try-catch-finally, try-with-resources, throw and throws - Use assertions appropriately - Create custom exceptions and use standard exceptions |
| Arrays and Collections | 12-18% | - Use generics, wildcards and diamond notation - Create and manipulate arrays, lists, sets, maps, queues and deques - Sort and search collections and arrays |
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