Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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- Total Questions: 297
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- Total Questions: 297
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1Z0-819 PDF Practice Q&A's
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- Total Questions: 297
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Updated: Oct 23, 2026
No. of Questions: 297 Questions & Answers with Testing Engine
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A Oracle credential still carries real weight in 2026 hiring decisions, and the 1Z0-819 exam is the gatekeeper. Behind ITCertMagic's Oracle Java SE 11 Developer package stands an expert team that verifies each of the 297 practice questions against what the exam currently tests.
Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Secure Coding and Localization | 5-8% | - Apply secure coding practices, input validation and data protection - Use Locale, ResourceBundle and formatting APIs for internationalization |
| Topic 2: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Topic 3: Java Object-Oriented Approach | 15-20% | - 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 |
| Topic 4: 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 5: 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 |
| Topic 6: Working with Java Data Types | 10-15% | - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Manipulate numeric values and formatting - Handle text using String, StringBuilder and StringBuffer classes |
| Topic 7: Arrays and Collections | 12-18% | - Create and manipulate arrays, lists, sets, maps, queues and deques - Use generics, wildcards and diamond notation - Sort and search collections and arrays |
| Topic 8: Java Platform Module System | 8-12% | - Define modules, module declarations, requires, exports, opens, uses and provides - Compile, package and run modular applications - Use automatic modules and unnamed modules |
| Topic 9: 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 10: Exception Handling and Assertions | 8-12% | - Use assertions appropriately - Create custom exceptions and use standard exceptions - Use try-catch-finally, try-with-resources, throw and throws |
Oracle 1Z0-819 Exam: Everything You Wanted to Ask
The 1Z0-819 exam is the official Oracle exam for Oracle Java SE 11 Developer. Passing it earns you the Oracle Certified Professional: Java SE 11 Developer credential, which sits at the Professional level. It is also connected to Oracle Certified Professional: Java SE 17 Developer, Oracle Certified Professional: Java SE 21 Developer, so what you learn carries over if you plan to pursue those paths as well. Employers treat the certification as verified proof of skill, which is why structured preparation with ITCertMagic's practice questions pays off.
The 1Z0-819 exam contains 50 questions, and the time limit is 90 minutes. Translate that into a pacing plan before exam day: know roughly how long you can afford per item, flag anything that stalls you, and circle back at the end instead of burning minutes. Two or three full timed sessions in ITCertMagic's test engine will teach you that rhythm far better than untimed reading ever will.
The passing score for the 1Z0-819 exam is 68%, and the official registration fee is USD $245. Remember that a failed attempt means paying that fee again in full for a retake, so treat self-assessment as part of the budget: run ITCertMagic's practice questions under timed conditions and only book your seat once your scores sit comfortably above the passing bar.
No mandatory prerequisites; recommended: solid Java programming knowledge and development experience Eligibility details can change, so before you register, confirm the current requirements on the official exam page: https://education.oracle.com/product/pexam_1z0-819.
You can book the 1Z0-819 exam through the official registration channels below:
Exam delivery method: Online proctored or onsite at Pearson VUE test centers.
Oracle points candidates to the following official training options:
Once the coursework has built your foundation, the fastest way to turn theory into exam readiness is drilling with ITCertMagic's 297 practice questions for the Oracle Java SE 11 Developer exam.
Yes. ITCertMagic offers a free PDF demo of the Oracle Java SE 11 Developer practice questions on the samples page, so you can judge the format and quality yourself before paying anything. Every purchase also includes 365 days of free updates, and after the product expires you can extend the update service at a 50% discount from within your member zone.
If you take the corresponding exam within 60 days of purchase and do not pass, ITCertMagic backs you with a 100% money-back guarantee. To claim it, submit a scanned copy of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam, and the refund is processed within 7 days. The guarantee does not apply to attempts made within the first 3 days after purchase, to products downloaded without actually sitting the exam, or to free materials and expired orders, and the candidate name must match the payer's name. If you would rather have study material than money, you can instead exchange for two additional exam products of equal value, free of charge, while keeping the update service on your original purchase. Delivery itself is instant: your download is available right after payment and a copy reaches your mailbox within one minute — if nothing arrives within 2 hours, contact customer service. You may install the product on as many computers as you need.
The official Oracle Java SE 11 Developer blueprint is organized into 10 domains. The leading areas are:
- Arrays and Collections — 12-18% of the exam
- Concurrency — 8-12% of the exam
- Working with Java Data Types — 10-15% of the exam
For the complete domain-by-domain breakdown with every subtopic, see the Exam Topics outline above.
Oracle Java SE 11 Developer Sample Questions:
Given:
What code must you insert on Line 1 to enable the code to print Hello world?
- A. Hello myH = new Hello();
Hello.Greeting myG = myH.new Hello.Greeting();
myG.sayHi(); - B. Hello myH = new Hello();
Hello.Greeting myG = myH.new Greeting();
myG.sayHi(); - C. Hello.Greeting myG = new Hello.Greeting() myG.sayHi();
- D. Hello myH = new Hello(); Greeting myG = new Greeting(); myG.sayHi ();
Correct Answer: B 🗳️
Given the code fragment:
What is the result?
- A. -3
- B. 1
- C. -1
- D. 2
Correct Answer: D 🗳️
Given:
You want to obtain the Filechannel object on line 1.
Which code fragment will accomplish this?
- A.
- B.
- C.
- D.
Correct Answer: C 🗳️
Which interface in the java.util.function package will return a void return type?
- A. Function
- B. Supplier
- C. Consumer
- D. Predicate
Correct Answer: C 🗳️
Given:
You want to obtain the Stream object on reading the file. Which code inserted on line 1 will accomplish this?
- A. Stream<String> lines = Files.lines(INPUT_FILE_NAME);
- B. Stream lines = Files.readAllLines(Paths.get(INPUT_FILE_NAME));
- C. var lines = Files.lines(Paths.get(INPUT_FILE_NAME));
- D. var lines = Files.readAllLines(Paths.get(INPUT_FILE_NAME));
Correct Answer: D 🗳️
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