Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Check Updated on: Sep 15, 2026
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Retaking 1z1-819 can add unnecessary cost and delay to your certification schedule. Preparing with 297 practice questions from Actual4dump helps you evaluate your readiness for Oracle Java SE 11 Developer before you commit to another exam date.
Oracle 1z1-819 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Real Exam Qty: | 80 |
| Exam Format: | Multiple Choice, Multiple Select |
| Available Languages: | Chinese, Japanese, Portuguese, Spanish, English |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Passing Score: | 68% |
| Exam Duration: | 90 minutes |
| Exam Price: | $245 USD |
| 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 |
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Controlling Program Flow | 10% | - Use break and continue statements - Use Java control statements - Use if and if/else statements - Use switch statements - Use for, while, and do/while loops |
| Working with Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables - Call methods on objects - Declare and initialize variables - Manipulate data using the StringBuilder class and its methods - Read or write to object fields - Create and manipulate strings |
| Working with Arrays and Collections | 8% | - Iterate through a collection - Search for elements in a collection - Filter a collection using lambda expressions - Create a list, set, map, or queue collection - Use generic types and diamond operator - Sort elements in a collection |
| Working with Java OOP | 15% | - Apply the final keyword to classes, methods, and fields - Implement inheritance - Use abstract classes and interfaces - Implement polymorphism - Implement encapsulation - Apply the static keyword to methods and fields - Create inner classes and use them within other classes |
| I/O (Fundamentals and NIO2) | 7% | - 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 - Use NIO2 API to work with file systems and file attributes |
| Database Applications with JDBC | 5% | - Execute queries and process results - Use parameterized queries - Connect to a database using JDBC - Describe the advantages of using a connection pool |
| Concurrency | 10% | - Create worker threads using Runnable and Thread objects - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool - Use synchronized blocks and the volatile keyword - Identify potential threading problems |
| Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations - Describe the Stream interface and pipeline - Use method references with streams - Filter a collection using lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods |
| Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Secure sensitive data - Validate user input - Prevent Denial of Service (DoS) attacks |
| Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Use standard exception classes - Use assertions - Create try-catch blocks and understand exception propagation - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions |
| Java Platform Module System | 10% | - Explain the default modules and class path - Migrate applications to use modules - Declare module dependencies - Deploy and execute modules - Use jdeps to determine dependencies - Explain the concept of module exports and requires |
Common Questions About Oracle Java SE 11 Developer
The 1z1-819 exam, Java SE 11 Developer, assesses whether a candidate can apply Oracle knowledge to the skills measured by this credential. It is associated with the Oracle Java SE certification. The certification is positioned at the Professional level. Related credentials include Oracle Certified Professional: Java SE 11 Developer.
The 1z1-819 exam includes 80 questions and allows 90 minutes. Plan your pacing before exam day rather than calculating it under pressure. Timed sessions with Actual4dump practice tests can help you decide when to flag a difficult item, keep moving, and reserve enough time for a final review.
The published passing score for Oracle Java SE 11 Developer is 68%, and the official exam fee is $245 USD. A retake requires budgeting for the full official fee again, so it is sensible to complete several timed practice tests before scheduling. Consistent results across the 297 practice questions can give you a clearer picture of your readiness.
The stated prerequisite information for Oracle Java SE 11 Developer is: 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. Before registering, review the eligibility details on the official exam page to confirm the requirements.
Yes. Actual4dump provides a free PDF demo so you can review the format and quality of the Oracle Java SE 11 Developer practice questions before placing an order. Your purchase includes 365 days of free updates, and you can extend the update service after expiration at a 50% discount.
If you take the corresponding 1z1-819 exam within 60 days of purchase and do not pass, you may apply for a full refund under the 100% Money Back Guarantee. Claims based on an exam taken within 3 days of purchase are not eligible; free materials, expired orders, and downloaded products that were not used before sitting for the exam are also excluded. The candidate name must match the payer name.
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The published Oracle Java SE 11 Developer outline contains 12 major domains. The opening domains include:
- Annotations (5%)
- Working with Java data types (12%)
- I/O (Fundamentals and NIO2) (7%)
Review the complete Exam Topics section above for every domain and subtopic before planning your study time.
Oracle Java SE 11 Developer Sample Questions:
Given:
LocalDate d1 = LocalDate.of(1997,2,7);
DateTimeFormatter dtf =
DateTimeFormatter.ofPattern( /*insert code here*/ );
System.out.println(dtf.format (d1));
Which pattern formats the date as Friday 7th of February 1997?
- A. "eeee dd+"th of"+ MMM yyyy"
- B. "eeee d+"th of"+ MMMM yyyy"
- C. "eeee d'th of' MMMM yyyy"
- D. "eeee dd'th of' MMM yyyy"
Correct Answer: C 🗳️
Given an application with a main module that has this module-info.java file:
Which two are true? (Choose two.)
- A. To run without an error, the application must have at least one module in the module path that provides an implementation of country.CountryDetails.
- B. A module providing an implementation of country.CountryDetails must have a requires main; directive in its module-info.java file.
- C. To compile without an error, the application must have at least one module in the module source path that provides an implementation of country.CountryDetails.
- D. A module providing an implementation of country.CountryDetails can be compiled and added without recompiling the main module.
- E. An implementation of country.countryDetails can be added to the main module.
Correct Answer: B,C 🗳️
Given these declarations:
and these two code fragments:
Fragment 1:
Fragment 2:
Which code fragment is preferred and why?
- A. Fragment 1 because it is shorter.
- B. Fragment 2 because it prevents SQL injection.
- C. Fragment 1 because it is more performant.
- D. Fragment 2 because it explicitly specifies the SQL types of the column values.
Correct Answer: B 🗳️
Given:
What is the output?
- A. The compilation fails due to an error in line 1.
- B. I am an array
- C. I am an object
- D. I am an object array
Correct Answer: C 🗳️
Which two statements are true about a class that is marked @Deprecated?
- A. Using the class will cause the Java compiler to give a warning.
- B. The class cannot be extended.
- C. Using the class Is guaranteed to cause errors at runtime.
- D. There Is always another class that can be used Instead of the deprecated class.
- E. The author of the class wants to discourage people from using the class in any way.
Correct Answer: A,E 🗳️
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