Oracle Java SE 11 Developer (1Z0-819日本語版) : 1Z0-819日本語 Exam

  • Exam Code: 1z1-819-JPN
  • Exam Name: Java SE 11 Developer (1Z0-819日本語版)
  • Updated: Aug 13, 2026
  • Q & A: 297 Questions and Answers

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About Oracle Java SE 11 Developer (1Z0-819日本語版) : 1Z0-819日本語 Exam Questions

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This exam helps students to understand the basic relational database concepts. Moreover, it will teach the students about data modeling concepts, building Entity Relationship Diagrams (ERDs), and mapping ERDs. Moreover, with this project-based learning techniques, students will be able to create and work with projects to design, implement, and demonstrate a database solution for a business or organization.

Oracle 1Z0-819日本語 Exam Syllabus Topics:

SectionWeightObjectives
JDBC Database Access5-8%- Connect to databases, execute queries and updates
- Process result sets, manage transactions and resources
Java Object-Oriented Approach15-20%- Overload and override methods, use constructors and initializers
- Declare and instantiate classes, interfaces, abstract classes and nested classes
- Apply encapsulation, inheritance, polymorphism and abstraction
- Use local variable type inference
Java Platform Module System8-12%- Compile, package and run modular applications
- Use automatic modules and unnamed modules
- Define modules, module declarations, requires, exports, opens, uses and provides
Secure Coding and Localization5-8%- Apply secure coding practices, input validation and data protection
- Use Locale, ResourceBundle and formatting APIs for internationalization
Java I/O and NIO.28-12%- 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
Concurrency8-12%- Use synchronization, locks, atomic variables and concurrent collections
- Use parallel streams and CompletableFuture
- Create and manage threads, use ExecutorService, Callable and Future
Arrays and Collections12-18%- Create and manipulate arrays, lists, sets, maps, queues and deques
- Sort and search collections and arrays
- Use generics, wildcards and diamond notation
Exception Handling and Assertions8-12%- Create custom exceptions and use standard exceptions
- Use assertions appropriately
- Use try-catch-finally, try-with-resources, throw and throws
Working with Java Data Types10-15%- 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
Lambda Expressions and Streams12-18%- 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

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