Exam Name: Java SE 11 Developer (1Z0-819日本語版)
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Oracle 1z1-819 Certification exam is offered by Oracle, which is a leading technology company that provides a wide range of software and hardware solutions. Oracle certifications are highly valued in the industry, and they are recognized by various organizations worldwide. Java SE 11 Developer (1Z0-819日本語版) certification demonstrates that the candidate has the skills and knowledge required to develop Java applications using Java SE 11.
The Oracle 1z0-819-JPN exam covers a wide range of topics, including Java syntax and data types, object-oriented programming principles, collections, concurrency, I/O and NIO. It also includes topics such as JDBC, JPA, annotations, lambda expressions, and modules. 1z0-819-JPN exam consists of 80 multiple-choice questions and has a time limit of 180 minutes. A passing score of 63% is required to obtain the certification.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
The 1Z0-819 certification exam is intended for Java developers who have a solid understanding of Java programming and want to enhance their skills and knowledge to become certified Java SE 11 Developers. Candidates who pass 1z0-819-JPN exam are recognized as experts in Java programming and are highly valued by employers.
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Concurrency | 8-12% | - Create and manage threads, use ExecutorService, Callable and Future - Use synchronization, locks, atomic variables and concurrent collections - Use parallel streams and CompletableFuture |
| Secure Coding and Localization | 5-8% | - Apply secure coding practices, input validation and data protection - Use Locale, ResourceBundle and formatting APIs for internationalization |
| Arrays and Collections | 12-18% | - Sort and search collections and arrays - Create and manipulate arrays, lists, sets, maps, queues and deques - Use generics, wildcards and diamond notation |
| 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 |
| Working with Java Data Types | 10-15% | - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Handle text using String, StringBuilder and StringBuffer classes - Manipulate numeric values and formatting |
| Lambda Expressions and Streams | 12-18% | - Create and use stream pipelines, including intermediate and terminal operations - Define and use functional interfaces and lambda expressions - Use Optional class and primitive type streams |
| Java Platform Module System | 8-12% | - Compile, package and run modular applications - Define modules, module declarations, requires, exports, opens, uses and provides - Use automatic modules and unnamed modules |
| 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 |
| JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
| Java Object-Oriented Approach | 15-20% | - Apply encapsulation, inheritance, polymorphism and abstraction - Declare and instantiate classes, interfaces, abstract classes and nested classes - Overload and override methods, use constructors and initializers - Use local variable type inference |
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