Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Instant Download Oracle : 1z1-819 Exam Dumps
Updated: Oct 19, 2026
No. of Questions: 297 Questions & Answers
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- Total Questions: 297
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Oracle 1z1-819 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Exam Duration: | 90 minutes |
| Exam Price: | $245 USD |
| Real Exam Qty: | 80 |
| Available Languages: | English, Chinese, Japanese, Portuguese, Spanish |
| Passing Score: | 68% |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Exam Format: | Multiple Choice, Multiple Select |
| 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 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Java OOP | 15% | - Use abstract classes and interfaces - Implement encapsulation - Create inner classes and use them within other classes - Implement inheritance - Apply the final keyword to classes, methods, and fields - Implement polymorphism - Apply the static keyword to methods and fields |
| Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Prevent SQL injection and other attacks - Validate user input - Secure sensitive data |
| Concurrency | 10% | - 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 - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool |
| Working with Streams and Lambda expressions | 13% | - Describe the Stream interface and pipeline - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations - Use method references with streams |
| I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes - Read and write console and file input/output using Java I/O system |
| Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Working with Java data types | 12% | - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods - Read or write to object fields - Create and manipulate strings - Declare and initialize variables - Call methods on objects - Explain an object's lifecycle (creation, dereferencing via garbage collection) |
| Controlling Program Flow | 10% | - Use Java control statements - Use switch statements - Use break and continue statements - Use for, while, and do/while loops - Use if and if/else statements |
| Database Applications with JDBC | 5% | - Use parameterized queries - Describe the advantages of using a connection pool - Execute queries and process results - Connect to a database using JDBC |
| Working with Arrays and Collections | 8% | - Iterate through a collection - Create a list, set, map, or queue collection - Search for elements in a collection - Filter a collection using lambda expressions - Sort elements in a collection - Use generic types and diamond operator |
| Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Create and throw custom exceptions - Create try-catch blocks and understand exception propagation - Use assertions - Use standard exception classes - Use resource bundles and locale classes for internationalization |
| Java Platform Module System | 10% | - Use jdeps to determine dependencies - Explain the default modules and class path - Declare module dependencies - Migrate applications to use modules - Explain the concept of module exports and requires - Deploy and execute modules |
Oracle Java SE 11 Developer FAQ: Clear Answers for Serious Candidates
The 1z1-819 exam is Oracle's official route to the Oracle Java SE certification (Professional level). For IT professionals building a career, it signals verified skill — the kind of advantage that tips better opportunities your way. It also sits in a family of related credentials: Oracle Certified Professional: Java SE 11 Developer.
Delivery is instant — files unlock at payment and a copy lands in your email within a minute; our 24/7 online service team responds within 2 hours if anything goes missing, and there are no installation limits. On refunds, our guarantee is real but conditional: take the corresponding 1z1-819 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 — we process the full refund within 7 days. Exams taken within 3 days of purchase, name mismatches between candidate and payer, and free or expired products are excluded. Rather have a replacement? Exchange for two equal-value exam products free and keep your original updates.
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. Requirements like these do get updated, so confirm the details on the official exam page — official 1z1-819 exam information — before you spend anything on registration.
Registration runs $245 USD, and the pass mark is 68%. Paying by credit card is the standard route — safe and stable for both buyer and seller. And remember the fee is per attempt: a retake costs the same again, which is why candidates drill with the 297 practice questions from ActualTestsIT until their margin is comfortable.
The exam sets 80 questions against 90 minutes on the clock. That pairing punishes hesitation, so train it out: set a per-question budget, flag-and-return instead of freezing, and rehearse full timed sessions in the ActualTestsIT engine until pacing is automatic.
Yes — a free PDF demo lets you examine the question quality first. If you buy, 365 days of free updates are included, with new versions sent to you as they're released; an expired update period can be renewed later at 50% off.
Expect 12 domains in the Oracle Java SE 11 Developer blueprint, headlined by I/O (Fundamentals and NIO2) (7%), Concurrency (10%), Secure Coding in Java SE Application (5%). Use the weights as your study budget — high-percentage domains earn the most points per hour. The complete outline above has the full breakdown.
Oracle Java SE 11 Developer Sample Questions:
Given:
What is the result?
- A. 6104 3
- B. 3
- C. 6910 3
- D. 10126 3
Correct Answer: A 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
Which two statements are correct about modules in Java? (Choose two.)
- A. module-info.java cannot be empty.
- B. module-info.java can be placed in any folder inside module-path.
- C. A module must be declared in module-info.java file.
- D. By default, modules can access each other as long as they run in the same folder.
- E. java.base exports all of the Java platforms core packages.
Correct Answer: C,E 🗳️
Which is a proper JDBC URL?
- A. http://localhost mysql.jdbc:3306/database
- B. jdbc:mysql://localhost:3306/database
- C. jdbe.mysql.com://localhost:3306/database
- D. http://localhost.mysql.com:3306/database
Correct Answer: B 🗳️
Given:
Which statement is equivalent to line 1?
- A. double totalSalary = list.stream().map(e -> e.getSalary() * ratio).reduce (bo).ifPresent (p -> p.doubleValue());
- B. double totalSalary = list.stream().mapToDouble(e -> e.getSalary() * ratio).sum;
- C. double totalSalary = list.stream().map(Employee::getSalary * ratio).reduce (bo).orElse(0.0);
- D. double totalSalary = list.stream().mapToDouble(e -> e.getSalary() * ratio).reduce(starts, bo);
Correct Answer: C 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
Given:
Which three classes successfully override showFirst ()?
- A.
- B.
- C.
- D.
- E.
- F.
Correct Answer: B 🗳️
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