Oracle 1Z0-819日本語 Q&A - in .pdf
- Exam Code: 1Z0-819日本語
- Exam Name: Java SE 11 Developer (1Z0-819日本語版)
- Updated: Aug 05, 2026
- Q & A: 297 Questions and Answers
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- Exam Code: 1Z0-819日本語
- Exam Name: Java SE 11 Developer (1Z0-819日本語版)
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The Oracle 1z0-819-JPN exam covers a range of topics including Java fundamentals, object-oriented programming concepts, exceptions, concurrency, and collections, among others. It also tests candidates' ability to write code, debug and troubleshoot programs, and use various Java technologies and tools.
The Oracle 1z0-819-JPN exam covers a wide range of topics related to Java SE 11 programming, including Java classes, methods, and variables, Java interfaces, Java I/O, Java concurrency, and Java collections. It also tests the candidate's knowledge of Java development tools such as Eclipse, NetBeans, and IntelliJ IDEA. 1z0-819-JPN exam is divided into two parts, each containing multiple-choice questions and requires a passing score of 63% or higher.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
To prepare for the Oracle 1Z0-819 exam, candidates can take advantage of a range of study materials, including books, online courses, practice exams, and more. It is also recommended that candidates have practical experience with Java programming, as this will help them to understand the concepts and practices covered in the exam.
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 |
| Topic 2: 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 |
| Topic 3: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Topic 4: 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 |
| Topic 5: 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 |
| Topic 6: Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Topic 7: 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 |
| Topic 8: 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 |
| Topic 9: Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Overload and override methods, use constructors and initializers - Apply encapsulation, inheritance, polymorphism and abstraction - Declare and instantiate classes, interfaces, abstract classes and nested classes |
| Topic 10: 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 |
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