Last Updated: Sep 21, 2026
No. of Questions: 297 Questions & Answers with Testing Engine
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| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Exam Format: | Multiple Select, Multiple Choice |
| Exam Price: | $245 USD |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 80 |
| Passing Score: | 68% |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Available Languages: | Japanese, Chinese, English, Spanish, Portuguese |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| 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 |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Streams and Lambda expressions | 13% | - Describe the Stream interface and pipeline - Use method references with streams - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations - Filter a collection using lambda expressions |
| Topic 2: Exception Handling and Localization | 10% | - Create and throw custom exceptions - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling - Use standard exception classes - Use resource bundles and locale classes for internationalization - Use assertions |
| Topic 3: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Execute queries and process results - Describe the advantages of using a connection pool - Use parameterized queries |
| Topic 4: Working with Java OOP | 15% | - Implement inheritance - Use abstract classes and interfaces - Create inner classes and use them within other classes - Apply the final keyword to classes, methods, and fields - Implement polymorphism - Implement encapsulation - Apply the static keyword to methods and fields |
| Topic 5: Secure Coding in Java SE Application | 5% | - Validate user input - Secure sensitive data - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks |
| Topic 6: I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Use Stream API with files - Read and write console and file input/output using Java I/O system - Use Path interface to manipulate file paths |
| Topic 7: Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use Java control statements - Use switch statements - Use if and if/else statements - Use break and continue statements |
| Topic 8: Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance |
| Topic 9: Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Create a list, set, map, or queue collection - Filter a collection using lambda expressions - Search for elements in a collection - Sort elements in a collection - Iterate through a collection |
| Topic 10: Java Platform Module System | 10% | - Use jdeps to determine dependencies - Explain the concept of module exports and requires - Deploy and execute modules - Declare module dependencies - Explain the default modules and class path - Migrate applications to use modules |
| Topic 11: Working with Java data types | 12% | - Manipulate data using the StringBuilder class and its methods - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Call methods on objects - Create and manipulate strings - Differentiate between object reference variables and primitive variables - Declare and initialize variables |
| Topic 12: Annotations | 5% | - Create custom annotations - Apply standard annotations to classes and methods - Describe the purpose of annotations |
You're looking at 80 questions in 90 minutes. Do the math early, not in the exam room: decide your per-question pace, practice skipping hard items without panic, and finish at least two full timed mock tests — the BraindumpQuiz engine grades them automatically in about a minute, so you get instant feedback on where your time goes.
Delivery is the easy part: pay, click the email link that arrives within a minute, and the 1z1-819 files download in about a minute — no extra software, no installation limits. If 2 hours pass with nothing, our support team will fix it. The refund side runs on clear rules: take the corresponding 1z1-819 exam within 60 days of purchase, and if you fail, submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam for a 100% refund, processed within 7 days. Exams sat within 3 days of purchase don't qualify, candidate and payer names must match, and free or expired products are excluded. Prefer an exchange? Take two equal-value exam products free of charge and keep your original updates.
You need 68% to pass, and registration costs $245 USD at the official rate. One uncomfortable truth: the fee is per attempt, so a fail means paying it again. Candidates who self-test first — with auto-graded mock exams built from the 297 questions at BraindumpQuiz — tend to pay that fee exactly once.
The vendor's blueprint for the Oracle Java SE 11 Developer has 12 domains, led by Java Platform Module System (10%), Secure Coding in Java SE Application (5%), Working with Streams and Lambda expressions (13%). The weighting is a study plan in disguise — heavy domains deserve heavy hours. You'll find every domain and subtopic in the complete outline above.
Passing the 1z1-819 exam earns the Oracle Java SE certification — a Professional-level credential — issued directly by Oracle. It is proof of ability that travels well across employers and borders. The credential also links to Oracle Certified Professional: Java SE 11 Developer, so it can be a first step rather than a final destination.
Yes — the free PDF demo shows the real question quality before any payment. And the value continues after purchase: 365 days of free updates come standard, with a 50% renewal discount if your update period ever expires.
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. These rules do get revised, so before you book, double-check the current requirements on the official 1z1-819 exam page — what the vendor publishes is what counts.
Given the code fragment:
You want to examine whether path is a directory.
Which code inserted on line 1 will accomplish this?
Correct Answer: C 🗳️
Given:
What is the output?
Correct Answer: D 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
Given:
Assume the file on path does not exist. What is the result?
Correct Answer: D 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
Given:
What is the result?
Correct Answer: B 🗳️
Given:
What is the output?
Correct Answer: C 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
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