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Oracle 1Z0-819日本語 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Java I/O and NIO.2	8-12%	- Manage files, directories and file attributes with java.nio.file API - Read and write data using streams, readers, writers and channels - Implement serialization and deserialization
Topic 2: 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 3: 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 4: Secure Coding and Localization	5-8%	- Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection
Topic 5: Lambda Expressions and Streams	12-18%	- Define and use functional interfaces and lambda expressions - Use Optional class and primitive type streams - Create and use stream pipelines, including intermediate and terminal operations
Topic 6: 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 7: 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
Topic 8: JDBC Database Access	5-8%	- Connect to databases, execute queries and updates - Process result sets, manage transactions and resources
Topic 9: 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
Topic 10: 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

FAQ — Oracle Java SE 11 Developer (1Z0-819日本語版) Exam Preparation

What official training exists for the 1Z0-819日本語 exam?

Oracle lists these recommended training resources for the Oracle Java SE 11 Developer (1Z0-819日本語版) exam:

Java SE 11 Developer Training

Official training plus consistent self-testing is a proven combination — the 297 practice questions from LatestCram handle the second half.

What is the LatestCram refund policy for 1Z0-819日本語 candidates?

LatestCram issues a full refund if you take the Oracle Java SE 11 Developer (1Z0-819日本語版) exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Claims require a scan of your enrollment slip and the official Score Report PDF, submitted within 2 days of the exam, and are processed within 7 days. As an alternative, you can exchange for two free exam products of equal value while keeping your original update service. Orders arrive by email within 1 minute — contact support if nothing shows up within 2 hours.

How many questions does the 1Z0-819日本語 exam have, and what is the time limit?

The Oracle Java SE 11 Developer (1Z0-819日本語版) exam presents 50 with 90 minutes to complete them. Practicing under the same clock in the LatestCram Desktop Test Engine makes the real pacing feel routine.

How do I register for the 1Z0-819日本語 exam?

Online proctored or onsite at Pearson VUE test centers Registration for the Oracle Java SE 11 Developer (1Z0-819日本語版) exam goes through these official channels:

After booking, the LatestCram practice questions reach your inbox within 1 minute — preparation can start the same day.

Which domains does the 1Z0-819日本語 exam emphasize?

The official Oracle Java SE 11 Developer (1Z0-819日本語版) outline defines 10 domains. The leading three are Lambda Expressions and Streams (12-18%), Concurrency (8-12%), and Arrays and Collections (12-18%). See the complete list in the topics section above — the 297 practice questions at LatestCram cover every domain.

What does the 1Z0-819日本語 certification exam measure?

The 1Z0-819日本語 exam is a Oracle certification exam built on the Oracle Java SE 11 Developer (1Z0-819日本語版) syllabus shown above. It contributes to these credential paths: Oracle Certified Professional: Java SE 17 Developer, Oracle Certified Professional: Java SE 21 Developer. As information technology keeps reshaping how industries operate, certified skills remain one of the most portable proofs of capability in 2026. LatestCram prepares you with 297 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.

What is the 1Z0-819日本語 passing score, and what does the exam cost?

Passing the Oracle Java SE 11 Developer (1Z0-819日本語版) exam requires 68%, and the registration fee is USD $245. A retake costs the same amount again — a practical reason to verify your readiness with the LatestCram engines before booking.

What do I receive with the LatestCram 1Z0-819日本語 package?

The full Oracle Java SE 11 Developer (1Z0-819日本語版) preparation set at an affordable, small-profits price: 297 practice questions in three formats — a printable, expert-prepared PDF with instant download; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. A free demo is available anytime, updates are free for 365 days, renewal afterward is 50% off, installations are unlimited, and checkout is McAfee-secured with automatic encryption of your personal information.

What are the prerequisites for the 1Z0-819日本語 exam?

No mandatory prerequisites; recommended: solid Java programming knowledge and development experience Policies change over time, so confirm the current rules on the official Oracle exam page before scheduling.