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Oracle 1z1-819 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Passing Score: | 68% |
| Exam Price: | $245 USD |
| Available Languages: | Portuguese, Chinese, Japanese, Spanish, English |
| Exam Format: | Multiple Choice, Multiple Select |
| Exam Duration: | 90 minutes |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Real Exam Qty: | 80 |
| Sample Questions: |  |
| 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 |
|---|---|---|
| Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use Java control statements - Use break and continue statements - Use switch statements - Use if and if/else statements |
| Working with Java OOP | 15% | - Create inner classes and use them within other classes - Implement encapsulation - Apply the final keyword to classes, methods, and fields - Implement polymorphism - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Implement inheritance |
| Java Platform Module System | 10% | - Deploy and execute modules - Explain the concept of module exports and requires - Migrate applications to use modules - Declare module dependencies - Use jdeps to determine dependencies - Explain the default modules and class path |
| Secure Coding in Java SE Application | 5% | - Validate user input - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Prevent SQL injection and other attacks |
| Exception Handling and Localization | 10% | - Create and throw custom exceptions - Use assertions - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Create try-catch blocks and understand exception propagation - Use standard exception classes |
| Annotations | 5% | - Create custom annotations - Describe the purpose of annotations - Apply standard annotations to classes and methods |
| I/O (Fundamentals and NIO2) | 7% | - 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 - Use Path interface to manipulate file paths |
| Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Identify potential threading problems - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance |
| Working with Java data types | 12% | - Declare and initialize variables - Create and manipulate strings - Call methods on objects - Read or write to object fields - Differentiate between object reference variables and primitive variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Manipulate data using the StringBuilder class and its methods |
| Working with Arrays and Collections | 8% | - Filter a collection using lambda expressions - Use generic types and diamond operator - Search for elements in a collection - Sort elements in a collection - Iterate through a collection - Create a list, set, map, or queue collection |
| Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods |
| Database Applications with JDBC | 5% | - Use parameterized queries - Connect to a database using JDBC - Describe the advantages of using a connection pool - Execute queries and process results |
1z1-819 Exam Basics and Our Service Policies
Clear conditions, honored without argument. If you fail the corresponding exam within 60 days of purchase, send a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date; verified claims are refunded in full within seven days. Excluded from the policy: exams taken within three days of purchase, candidate names that do not match the payer, and free or expired products. If you prefer, exchange your product for two others of equal value instead.
Download immediately after purchase β no waiting. Upon successful payment, our system sends the 1z1-819 materials to your mailbox automatically, usually within about a minute; open the attachments or use the on-screen link and start studying right away. If nothing arrives within two hours, check your spam folder and contact us. Updates are free for 365 days and are released at the quickest speed whenever the actual exam content changes; after the year, renew at a 50% discount.
Oracle defines the following prerequisites for the Oracle Java SE 11 Developer: 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..
Verify the current requirements on the official certification page before booking.
The current exam information lists 80 questions for the 1z1-819 exam, with 90 minutes minutes allowed. Practicing with a timer beforehand turns the limit into a familiar rhythm.
Through continuous research and development, and speed. Our technicians and experts work on the 1z1-819 bank daily, updating the database the moment the actual exam content changes β more frequently than typical offerings on the market. The bank is organized around the core knowledge and key points of the Oracle Java SE 11 Developer syllabus, every answer is expert-verified, and delivery is immediate after payment. Customers come first here, and the free demo lets you verify all of it before spending anything.
The Oracle Java SE 11 Developer blueprint is built on these principal domains:
- I/O (Fundamentals and NIO2) (7%)
- Working with Streams and Lambda expressions (13%)
- Exception Handling and Localization (10%)
The official outline continues with additional domains β the question bank covers the full set.
At present, the passing score for the 1z1-819 exam is 68% and the registration fee is $245 USD. Both belong to Oracle and can change, so confirm them on the official site when you register.
Oracle Java SE 11 Developer Sample Questions:
Given:
What is the result?
- A. 2,54,54,5
- B. 2,34,54,5
- C. 2,34,54,3
- D. 2,34,34,5
Correct Answer: A π³οΈ
Explanation: Only visible for TorrentExam members. You can sign-up / login (it's free).
Given:
You want to use the myResource class in a try-with-resources statement. Which change will accomplish this?
- A. Implement AutoCloseable and override the autoClose method.
- B. Implement AutoCloseable and override the close method.
- C. Extend AutoCloseable and override the autoClose method.
- D. Extend AutoCloseable and override the close method.
Correct Answer: B π³οΈ
Given:
Which three actions implement Java SE security guidelines? (Choose three.)
- A. Change line 6 to public synchronized String[] getNames() {.
- B. Change line 2 to private final String[] names;.
- C. Change line 4 to this.names = names.clone();.
- D. Change line 2 to protected volatile String[] names;.
- E. Change line 3 to private Secret(String[] names) {.
- F. Change the getNames() method name to get$Names().
- G. Change line 7 to return names.clone();.
Correct Answer: B,D,E π³οΈ
Given:
When is the readObject method called?
- A. before this object Is serialized
- B. after this object is serialized
- C. before this object is deserialized
- D. The method is never called.
- E. after this object is deserialized
Correct Answer: E π³οΈ
Given:
What is the output?
- A. 300
- B. 100
- C. Exception
- D. 200
Correct Answer: A π³οΈ
Explanation: Only visible for TorrentExam members. You can sign-up / login (it's free).
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