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Last Updated: Oct 27, 2026
No. of Questions: 297 Questions & Answers with Testing Engine
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All roads lead to Rome, but some are better paved. Test the road before you travel it: Pass4training offers a free PDF demo of the 1Z0-819 practice questions, so you can judge the verified answers yourself before unlocking the full 297-question bank for the Oracle Java SE 11 Developer.
Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Java Data Types | 10-15% | - Handle text using String, StringBuilder and StringBuffer classes - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Manipulate numeric values and formatting |
| Topic 2: 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 3: Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Topic 4: Exception Handling and Assertions | 8-12% | - Create custom exceptions and use standard exceptions - Use try-catch-finally, try-with-resources, throw and throws - Use assertions appropriately |
| Topic 5: 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 |
| Topic 6: 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 7: 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 |
| Topic 8: Concurrency | 8-12% | - Use parallel streams and CompletableFuture - Use synchronization, locks, atomic variables and concurrent collections - Create and manage threads, use ExecutorService, Callable and Future |
| Topic 9: Java I/O and NIO.2 | 8-12% | - Read and write data using streams, readers, writers and channels - Manage files, directories and file attributes with java.nio.file API - Implement serialization and deserialization |
| Topic 10: JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
Oracle 1Z0-819 Exam — Everything You Are Wondering
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The Oracle Java SE 11 Developer syllabus spans 10 domains, headlined by Java Platform Module System (8-12%), Working with Java Data Types (10-15%), and Lambda Expressions and Streams (12-18%). The full weighted outline is in the syllabus section above — our materials strictly follow it, and so should your study plan.
For the Oracle Java SE 11 Developer, Oracle recommends these training resources:
Training courses teach the material; repeated practice makes it stick. Add 297 practice questions from Pass4training to either option and key knowledge moves from short-term memory to exam-ready reflex.
The 1Z0-819 exam — formally the Java SE 11 Developer — is Oracle's certification exam for validating professional skills with its technologies; passing it earns the Oracle Certified Professional: Java SE 11 Developer certification, a Professional-level credential. It is popular among job seekers for a simple reason: employers trust vendor-issued proof of skill. It also opens the path toward Oracle Certified Professional: Java SE 17 Developer, Oracle Certified Professional: Java SE 21 Developer.
You can book the Oracle Java SE 11 Developer through these official channels:
One scheduling note: the 1Z0-819 exam is delivered Online proctored or onsite at Pearson VUE test centers — keep that in mind when choosing your session.
The 1Z0-819 exam gives you 50 questions to complete within 90 minutes. That pacing is tighter than it looks on paper, and untimed practice will not reveal it. Rehearse with the Pass4training Windows software or online engine in timed mode — repeating full-length mocks until your rhythm holds is what turns preparation time into passing margin.
Passing requires 68%, and official registration costs USD $245. Remember the fee buys one attempt only — a retake is billed in full again. The budget-friendly approach is to measure yourself first: work through 297 practice questions at Pass4training under timed conditions until you clear the passing mark consistently, and only then pay for the seat.
No mandatory prerequisites; recommended: solid Java programming knowledge and development experience
Vendor policies change from time to time, so before scheduling, confirm the current criteria on the official Oracle exam page.
Yes — Pass4training offers a free PDF demo of the 1Z0-819 practice questions so you can evaluate the content quality and verified answers before paying anything. Once you purchase, 365 days of free updates are included, and if the product expires, the update service renews at a 50% discount from your member zone.
Oracle Java SE 11 Developer Sample Questions:
You are working on a functional bug in a tool used by your development organization. In your investigation, you find that the tool is executed with a security policy file containing this grant.
What action should you take?
- A. File a security bug against the tool referencing the excessive permission granted.
- B. Nothing, because it is not related to the bug you are investigating.
- C. Remove the grant because it is excessive.
- D. Nothing, because it is an internal tool and not exposed to the public.
- E. Nothing, because listing just the required permissions would be an ongoing maintenance challenge.
Correct Answer: A 🗳️
What makes Java dynamic?
- A. The Java compiler preprocesses classes to run on specific target platforms.
- B. The runtime can process machine language sources as well as executables from different language compilers.
- C. At runtime, classes are loaded as needed, and new code modules can be loaded on demand.
- D. The Java compiler uses reflection to test if class methods are supported by resources of a target platform.
Correct Answer: C 🗳️
Which two statements are correct about modules in Java? (Choose two.)
- A. java.base exports all of the Java platforms core packages.
- B. A module must be declared in module-info.java file.
- C. module-info.java can be placed in any folder inside module-path.
- D. By default, modules can access each other as long as they run in the same folder.
- E. module-info.java cannot be empty.
Correct Answer: A,B 🗳️
Which two statements are true about a class that is marked @Deprecated?
- A. There Is always another class that can be used Instead of the deprecated class.
- B. The class cannot be extended.
- C. Using the class Is guaranteed to cause errors at runtime.
- D. The author of the class wants to discourage people from using the class in any way.
- E. Using the class will cause the Java compiler to give a warning.
Correct Answer: D,E 🗳️
Which is true?
- A. The code compiles and runs successfully but with a wrong answer (i.e., a bug).
- B. Code compiles but throws a runtime exception when run.
- C. It prints 666.
- D. The code does not compile successfully.
Correct Answer: B 🗳️
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