Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Check Updated on: Sep 14, 2026
No. of Questions: 297 Questions & Answers with Exam Engine
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- Total Questions: 297
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From a free demo to downloadable practice files, browser-based testing, and checkout supported by McAfee security services, Actual4dump brings the key 1Z0-819 preparation tools together in one place. Candidates for Oracle Java SE 11 Developer can use the 297 practice questions to plan, test, and revisit their knowledge in 2026.
Oracle 1Z0-819 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1Z0-819 |
| Available Languages: | English, Chinese (Traditional, Taiwan only) |
| Certificate Validity Period: | No expiration |
| Real Exam Qty: | 50 |
| Exam Price: | USD $245 |
| Exam Format: | Multiple Select, Multiple Choice |
| Related Certifications: | Oracle Certified Professional: Java SE 21 Developer Oracle Certified Professional: Java SE 17 Developer |
| Passing Score: | 68% |
| Exam Duration: | 90 minutes |
| Recommended Training: | Java SE 11 Developer Training |
| Exam Registration: | Oracle University Pearson VUE |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended: solid Java programming knowledge and development experience |
| Official Syllabus URL: | https://education.oracle.com/product/pexam_1z0-819 |
Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| 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 |
| 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 |
| Concurrency | 8-12% | - Use parallel streams and CompletableFuture - Create and manage threads, use ExecutorService, Callable and Future - Use synchronization, locks, atomic variables and concurrent collections |
| 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 |
| Lambda Expressions and Streams | 12-18% | - Use Optional class and primitive type streams - Define and use functional interfaces and lambda expressions - Create and use stream pipelines, including intermediate and terminal operations |
| 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 |
| JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
| Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| 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 |
| Exception Handling and Assertions | 8-12% | - Use try-catch-finally, try-with-resources, throw and throws - Create custom exceptions and use standard exceptions - Use assertions appropriately |
Frequently Asked Questions for the Oracle 1Z0-819 Exam
The 1Z0-819 exam, Java SE 11 Developer, assesses whether a candidate can apply Oracle knowledge to the skills measured by this credential. It is associated with the Oracle Certified Professional: Java SE 11 Developer certification. The certification is positioned at the Professional level. Related credentials include Oracle Certified Professional: Java SE 17 Developer, Oracle Certified Professional: Java SE 21 Developer.
The 1Z0-819 exam includes 50 questions and allows 90 minutes. Plan your pacing before exam day rather than calculating it under pressure. Timed sessions with Actual4dump practice tests can help you decide when to flag a difficult item, keep moving, and reserve enough time for a final review.
The published passing score for Oracle Java SE 11 Developer is 68%, and the official exam fee is USD $245. A retake requires budgeting for the full official fee again, so it is sensible to complete several timed practice tests before scheduling. Consistent results across the 297 practice questions can give you a clearer picture of your readiness.
The stated prerequisite information for Oracle Java SE 11 Developer is: No mandatory prerequisites; recommended: solid Java programming knowledge and development experience Before registering, review the eligibility details on the official exam page to confirm the requirements.
You can register for Oracle Java SE 11 Developer through the following channels:
The available exam delivery format is Online proctored or onsite at Pearson VUE test centers.
The following official training resources are recommended for Oracle Java SE 11 Developer:
After reviewing these training options, you can reinforce each topic with 297 practice questions from Actual4dump.
Yes. Actual4dump provides a free PDF demo so you can review the format and quality of the Oracle Java SE 11 Developer practice questions before placing an order. Your purchase includes 365 days of free updates, and you can extend the update service after expiration at a 50% discount.
If you take the corresponding 1Z0-819 exam within 60 days of purchase and do not pass, you may apply for a full refund under the 100% Money Back Guarantee. Claims based on an exam taken within 3 days of purchase are not eligible; free materials, expired orders, and downloaded products that were not used before sitting for the exam are also excluded. The candidate name must match the payer name.
To apply, submit a scanned enrollment slip and the official Score Report PDF within 2 days after the exam. Eligible requests are processed within 7 days. If you prefer an alternative, you may receive two free products of equal value and keep the update service for your original purchase.
Delivery is instant after payment. Your download is also sent to your email within one minute; if it has not arrived within 2 hours, contact customer service. There is no limit on the number of computers on which the material can be installed.
The published Oracle Java SE 11 Developer outline contains 10 major domains. The opening domains include:
- JDBC Database Access (5-8%)
- Exception Handling and Assertions (8-12%)
- Arrays and Collections (12-18%)
Review the complete Exam Topics section above for every domain and subtopic before planning your study time.
Oracle Java SE 11 Developer Sample Questions:
Given:
What is the result?
- A. A compilation error occurs.
- B. NullPointerException is thrown at line 4.
- C. Hello
- D. NullPointerException is thrown at line 10.
Correct Answer: C π³οΈ
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
Given:
Which statement on line 1 is calling the method of the supplier object correctly?
- A. System.out.printin(supplier.test() );
- B. System.out.printin(supplier.accept() );
- C. System.out.printin(supplier.get() );
- D. System.out.printin(supplier.apply() );
Correct Answer: C π³οΈ
Given:
What is the output?
- A. Duke
- B. A NoSuchElementException is thrown at run time.
- C. null
- D. A NullPointerException is thrown at run time.
Correct Answer: A π³οΈ
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
Given the code fragment:
How many lines of text does this program print?
- A. three
- B. four
- C. two
- D. one
Correct Answer: C π³οΈ
Given:
Which is true?
- A. It complies without errors.
- B. Line 2 Is the first line to cause a compilation error.
- C. Line 3 is the first line to cause a compilation error.
- D. Line 1 is the first line to cause a compilation error,
Correct Answer: D π³οΈ
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