Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Check Updated on: Oct 13, 2026
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- Total Questions: 297
- Updated on: Oct 13, 2026
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- Total Questions: 297
- Updated on: Oct 13, 2026
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Opportunities favor the prepared, and certification is one you can actually schedule. The ActualTestsIT 1z1-819 package — 297 practice questions in three formats — helps you arrive ready in 2026.
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use if and if/else statements - Use Java control statements - Use break and continue statements - Use switch statements |
| Working with Java OOP | 15% | - Implement encapsulation - Implement polymorphism - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Apply the final keyword to classes, methods, and fields - Implement inheritance - Create inner classes and use them within other classes |
| Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Validate user input - Prevent SQL injection and other attacks - Secure sensitive data |
| Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Use parameterized queries - Execute queries and process results - Connect to a database using JDBC |
| Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Use standard exception classes - Create and throw custom exceptions - Create try-catch blocks and understand exception propagation - Use resource bundles and locale classes for internationalization - Use assertions |
| Working with Streams and Lambda expressions | 13% | - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Filter a collection using lambda expressions - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations - Use method references with streams - Describe the Stream interface and pipeline |
| Working with Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Call methods on objects - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods - Create and manipulate strings - Declare and initialize variables - Read or write to object fields |
| Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use java.util.concurrent atomic classes and ForkJoinPool - Use synchronized blocks and the volatile keyword |
| Working with Arrays and Collections | 8% | - Search for elements in a collection - Sort elements in a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Create a list, set, map, or queue collection - Iterate through a collection |
| Java Platform Module System | 10% | - Migrate applications to use modules - Explain the concept of module exports and requires - Deploy and execute modules - Declare module dependencies - Explain the default modules and class path - Use jdeps to determine dependencies |
| Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| 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 NIO2 API to work with file systems and file attributes - Use Stream API with files |
1z1-819 Exam FAQ — Opportunity Favors the Prepared
Pearson VUE testing centers (online proctored exam also available) Register for the Oracle Java SE 11 Developer exam through these official channels:
After booking, ActualTestsIT delivers your practice questions within 1 minute — preparation starts the same day.
ActualTestsIT issues a full refund if you take the Oracle Java SE 11 Developer exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The official Oracle Java SE 11 Developer outline defines 12 domains. The leading three are Working with Java OOP (15%), Concurrency (10%), and Java Platform Module System (10%). The full list is in the topics section above, and ActualTestsIT's 297 practice questions cover each one.
The Oracle Java SE 11 Developer exam contains 80 to complete within 90 minutes. Timed simulation in the ActualTestsIT Desktop Test Engine teaches that rhythm before exam day does.
The 1z1-819 exam is a Oracle certification exam validating the Oracle Java SE 11 Developer syllabus shown above. It belongs to these credential paths: Oracle Certified Professional: Java SE 11 Developer. Candidates in 2026 start with ActualTestsIT's 297 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
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. Since requirements change over time, confirm the latest on the official Oracle exam page before scheduling.
The Oracle Java SE 11 Developer exam requires 68% to pass, and registration costs $245 USD. A failed attempt means paying the same fee again — a readiness check with the ActualTestsIT engines before booking is the cheaper option.
Oracle recommends these training resources for the Oracle Java SE 11 Developer exam:
Follow the training with steady self-testing — the 297 practice questions from ActualTestsIT help you apply theory and fill any gaps the training leaves.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 297 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
Oracle Java SE 11 Developer Sample Questions:
Given:
What is the result?
- A. watermelonorangelemongrapeapricotapple
- B. appleapricotgrapelemonorangewatermelon
- C. appleorangegrapelemonapricotwatermelon
- D. nothing
Correct Answer: A 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
Given:
Which two statements are valid to be written in this interface? (Choose two.)
- A. public void methodF(){System.out.println("F");}
- B. public abstract void methodB();
- C. private abstract void methodC();
- D. public String methodD();
- E. final void methodE();
- F. final void methodG(){System.out.println("G");}
- G. public int x;
Correct Answer: B,D 🗳️
Given:
Which two methods facilitate valid ways to read instance fields? (Choose two.)
- A. getACount
- B. getGCount
- C. getTCount
- D. getCCount
- E. getTotalCount
Correct Answer: D,E 🗳️
Given the Person class with age and name along with getter and setter methods, and this code fragment:
What will be the result?
- A. Tom Aman Peter
- B. Aman Tom Peter
- C. Tom Peter Aman
- D. Aman Peter Tom
Correct Answer: D 🗳️
Given:
Which code fragment on line 1 makes the m map contain the employee with the highest salary for each neighborhood?
- A.
- B.
- C.
- D.
Correct Answer: B 🗳️
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