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Exam Code: 1Z0-819
Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Updated: Oct 18, 2026
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- Total Questions: 297
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Oracle 1Z0-819 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Exam Format: | Multiple Choice, Multiple Select |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Exam Price: | $245 USD |
| Available Languages: | Portuguese, English, Spanish, Japanese, Chinese |
| Exam Duration: | 90 minutes |
| Passing Score: | 68% |
| Real Exam Qty: | 80 |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Pearson VUE testing centers (online proctored exam also available) |
| Pre Condition: | Oracle recommends but does not require candidates to first obtain the Oracle Certified Professional: Java SE 11 Programmer I (1Z0-815) certification. However, 1Z0-819 can be taken directly without 1Z0-815. |
| Official Syllabus URL: | https://education.oracle.com/java/java-se/product_oss_279 |
Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Topic 2: Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems - Create worker threads using Runnable and Thread objects |
| Topic 3: Working with Java OOP | 15% | - Implement encapsulation - Create inner classes and use them within other classes - Apply the static keyword to methods and fields - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces - Implement inheritance - Implement polymorphism |
| Topic 4: Controlling Program Flow | 10% | - Use Java control statements - Use break and continue statements - Use switch statements - Use for, while, and do/while loops - Use if and if/else statements |
| Topic 5: Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Use method references with streams - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline |
| Topic 6: I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system - Use Stream API with files |
| Topic 7: Java Platform Module System | 10% | - Use jdeps to determine dependencies - Explain the concept of module exports and requires - Declare module dependencies - Deploy and execute modules - Explain the default modules and class path - Migrate applications to use modules |
| Topic 8: Working with Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Differentiate between object reference variables and primitive variables - Call methods on objects - Manipulate data using the StringBuilder class and its methods - Create and manipulate strings - Declare and initialize variables |
| Topic 9: Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Validate user input |
| Topic 10: Exception Handling and Localization | 10% | - Use standard exception classes - Create try-catch blocks and understand exception propagation - Use resource bundles and locale classes for internationalization - Use assertions - Create and throw custom exceptions - Describe the advantages of exception handling |
| Topic 11: Working with Arrays and Collections | 8% | - Create a list, set, map, or queue collection - Sort elements in a collection - Iterate through a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Search for elements in a collection |
| Topic 12: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Use parameterized queries - Describe the advantages of using a connection pool - Execute queries and process results |
1Z0-819 FAQ Before You Buy
Oracle recommends but does not require candidates to first obtain the Oracle Certified Professional: Java SE 11 Programmer I (1Z0-815) certification. However, 1Z0-819 can be taken directly without 1Z0-815. Rules on eligibility change occasionally, so confirm the current requirements on the official page (official 1Z0-819 exam page) before you pay the fee.
90 minutes for 80 questions. Adapt to the clock now: the Exams4sures SOFT and APP versions let you control test time and track scores, so the real 1Z0-819 exam feels like a rehearsal you've already done.
Delivery: payment triggers an automatic email within a minute — download immediately, install without limits, and if nothing arrives within 2 hours our round-the-clock support helps (check spam first). Refund: unlike vendors with slow, cumbersome processes, we keep it clear — take the corresponding 1Z0-819 exam within 60 days of purchase, and if you fail, send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam; the full refund is processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.
Yes — three different free Oracle Java SE 11 Developer demos are available to download. Do the demo test first to inspect the value, then decide. Purchases include 365 days of free updates, renewable at 50% off.
The Oracle Java SE 11 Developer blueprint covers 12 domains — including Exception Handling and Localization (10%), Concurrency (10%), Java Platform Module System (10%). Weightings point you to the heavy hitters; schedule your review accordingly. The complete outline above lists every subtopic.
$245 USD per attempt, with 68% as the passing score. Since a failed attempt bills again, rehearse with the 297 practice questions from Exams4sures until your tracked scores clear the mark consistently.
The Oracle Java SE 11 Developer is Oracle's official exam for the Oracle Java SE credential (Professional level). Before anything else, verify the exam code and name match what you need — then build a plan around the official objectives. Related credentials include Oracle Certified Professional: Java SE 11 Developer.
Oracle Java SE 11 Developer Sample Questions:
Given:
Which statement on line 1 enables this code to compile?
- A. Predicate function = a -> a.equals("banana");
- B. Supplier function = () -> fruits.get (0);
- C. Function function = x -> x.substring(0,2);
- D. Consumer function = (String f) -> (System.out.println(f);};
Correct Answer: C 🗳️
Given:
- A. Abdf
- B. The compilation fails.
- C. Abd
- D. Abcd
- E. adf
Correct Answer: D 🗳️
Which two safely validate inputs? (Choose two.)
- A. Assume inputs have already been validated.
- B. Accept only valid characters and input values.
- C. Delegate numeric range checking of values to the database.
- D. Modify the input values, as needed, to pass validation.
- E. Use trusted domain-specific libraries to validate inputs.
Correct Answer: B,C 🗳️
Given:
Which one is correct?
- A. The compilation fails.
- B. An IllegalThreadStateException is thrown at run time.
- C. Four threads are created.
- D. Three threads are created.
Correct Answer: B 🗳️
Explanation: Only visible for Exams4sures members. You can sign-up / login (it's free).
Given:
Which statement on line 1 enables this code to compile?
- A. Function f = n -> n * 2;
- B. Function<Integer, Integer> f = n -> n * 2;
- C. Function<int> f = n -> n * 2;
- D. Function<int, int> f = n -> n * 2;
- E. Function<Integer> f = n -> n * 2;
Correct Answer: B 🗳️
Explanation: Only visible for Exams4sures members. You can sign-up / login (it's free).
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