Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Check Updated on: Oct 12, 2026
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Oracle 1z1-819 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Exam Price: | $245 USD |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Real Exam Qty: | 80 |
| Exam Format: | Multiple Choice, Multiple Select |
| Available Languages: | English, Spanish, Portuguese, Japanese, Chinese |
| Passing Score: | 68% |
| 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 |
|---|---|---|
| Topic 1: 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 2: Exception Handling and Localization | 10% | - Use standard exception classes - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions - Use assertions |
| Topic 3: Working with Streams and Lambda expressions | 13% | - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Use method references with streams - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods |
| Topic 4: I/O (Fundamentals and NIO2) | 7% | - 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 - Use NIO2 API to work with file systems and file attributes |
| Topic 5: Working with Arrays and Collections | 8% | - 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 - Use generic types and diamond operator |
| Topic 6: Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Validate user input - Secure sensitive data - Prevent SQL injection and other attacks |
| Topic 7: Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Identify potential threading problems |
| Topic 8: Working with Java data types | 12% | - Call methods on objects - 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 - Create and manipulate strings - Differentiate between object reference variables and primitive variables - Declare and initialize variables |
| Topic 9: Database Applications with JDBC | 5% | - Execute queries and process results - Connect to a database using JDBC - Describe the advantages of using a connection pool - Use parameterized queries |
| Topic 10: Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Topic 11: Java Platform Module System | 10% | - Declare module dependencies - Explain the concept of module exports and requires - Explain the default modules and class path - Migrate applications to use modules - Use jdeps to determine dependencies - Deploy and execute modules |
| Topic 12: Working with Java OOP | 15% | - Use abstract classes and interfaces - Create inner classes and use them within other classes - Implement polymorphism - Implement inheritance - Implement encapsulation - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields |
1z1-819 Exam: Your Questions, Our Promises
Oracle Java SE 11 Developer is an official Oracle exam, registered under the code 1z1-819. Passing it earns the Oracle Java SE certification at the Professional level. It also connects to Oracle Certified Professional: Java SE 11 Developer. In a fast-developed industry, this certificate is a promise to your career and your next promotion.
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.
Vendor policies do evolve, so confirm the current conditions before you register on the official exam page.
The Oracle Java SE 11 Developer exam contains 80 questions within 90 minutes. Former customers share a consistent secret: two or three regular hours of daily practice beat sporadic cramming. The Exams4sures engine covers every important test point, so a steady routine builds both knowledge and the pacing the clock demands.
Passing Oracle Java SE 11 Developer requires 68%, and the official fee is $245 USD. Retakes bill the full $245 USD again, so treat readiness as something to verify, not assume: when your Exams4sures practice scores clear the requirement day after day, you are ready to book.
Oracle Java SE 11 Developer is divided into 12 official domains, led by I/O (Fundamentals and NIO2) (7%), Working with Java data types (12%), and Java Platform Module System (10%). The full outline is above; while details shift over time, the main test points stay steady, and we have already sorted them for you.
Yes and yes. If you are a little suspicious, download the free demo of the Oracle Java SE 11 Developer questions and check the material before deciding. After purchase, updates are free for 365 days, with new versions sent to you as soon as test points change; after expiry, extending the update service costs 50% of the regular price.
We promise it in writing: a 100% money-back guarantee under defined conditions. Take the Oracle Java SE 11 Developer exam within 60 days of purchase; if you fail, claim a full refund according to your transcript by submitting a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, processed within 7 days. The exam must match your product, candidate and payer names must match, and attempts within 3 days of purchase, unused downloads, free materials, and expired orders are excluded. Alternatively, switch freely to other exam material: two equivalent products, free, with updates retained on your original purchase.
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Oracle Java SE 11 Developer Sample Questions:
Given:
Which two statements are valid to be written in this interface? (Choose two.)
- A. final void methodE();
- B. public abstract void methodB();
- C. private abstract void methodC();
- D. final void methodG(){System.out.println("G");}
- E. public void methodF(){System.out.println("F");}
- F. public int x;
- G. public String methodD();
Correct Answer: B,G 🗳️
Given the code fragment:
Which can replace line 11?
- A. UnaryOperator<Interger >uo = x -> { return x * 3; };
- B. UnaryOperator<Interger >uo = var x -> { return x 3 ; };
- C. UnaryOperator<Interger > uo = (var x ) -> (x * 3);
- D. UnaryOperator<Interger >uo = (int x) -> x * 3;
Correct Answer: C 🗳️
Given:
What action ensures successful compilation?
- A. Replace enum Color with public enum Color.
- B. Replace enum Color implements Serializable with public enum Color.
- C. Replace int c; with private final int c;.
- D. Replace int c; with private int c;.
- E. Replace public Color(int c) with private Color(int c).
Correct Answer: E 🗳️
Explanation: Only visible for Exams4sures members. You can sign-up / login (it's free).
Which two statements correctly describe capabilities of interfaces and abstract classes? (Choose two.)
- A. Both interfaces and abstract classes can have final methods.
- B. Interfaces cannot have instance fields but abstract classes can.
- C. Interfaces cannot have static methods but abstract classes can.
- D. Interfaces cannot have methods with bodies but abstract classes can.
- E. Interfaces cannot have protected methods but abstract classes can.
Correct Answer: B,E 🗳️
Given:
What is the result?
- A. 3, 4, 3, 14
- B. 3, 4, 3
- C. The program prints 3 4 and throws a ClassCastException
- D. 3, 4
Correct Answer: C 🗳️
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