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Updated: Sep 17, 2026
No. of Questions: 297 Questions & Answers with Testing Engine
Download Limit: Unlimited
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Average Salary of Java SE 11 Developer Exam Number: 1Z0-819 Certified Professionals
The average salary is between $71k and $103k.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1z1-819 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Exam Format: | Multiple Select, Multiple Choice |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Available Languages: | English, Spanish, Portuguese, Chinese, Japanese |
| Exam Duration: | 90 minutes |
| Passing Score: | 68% |
| Real Exam Qty: | 80 |
| Exam Price: | $245 USD |
| Sample Questions: | Oracle 1z1-819 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 |
What is Java SE 11 Developer Exam Number: 1Z0-819 Certification Exam and Retake policy
Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.
To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Java OOP | 15% | - Implement encapsulation - Implement polymorphism - Apply the final keyword to classes, methods, and fields - Create inner classes and use them within other classes - Implement inheritance - Apply the static keyword to methods and fields - Use abstract classes and interfaces |
| Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Use method references with streams - Filter a collection using lambda expressions - Describe the Stream interface and pipeline - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations |
| Database Applications with JDBC | 5% | - Execute queries and process results - Use parameterized queries - Describe the advantages of using a connection pool - Connect to a database using JDBC |
| Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Prevent SQL injection and other attacks - Validate user input |
| Annotations | 5% | - Describe the purpose of annotations - Create custom annotations - Apply standard annotations to classes and methods |
| Exception Handling and Localization | 10% | - Use assertions - Create try-catch blocks and understand exception propagation - Use standard exception classes - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Create and throw custom exceptions |
| Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use break and continue statements - Use switch statements - Use Java control statements - Use if and if/else statements |
| Working with Arrays and Collections | 8% | - Create a list, set, map, or queue collection - Use generic types and diamond operator - Search for elements in a collection - Sort elements in a collection - Filter a collection using lambda expressions - Iterate through a collection |
| I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes - Use Stream API with files - Read and write console and file input/output using Java I/O system |
| Concurrency | 10% | - Identify potential threading problems - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects |
| Java Platform Module System | 10% | - Declare module dependencies - Deploy and execute modules - Explain the concept of module exports and requires - Migrate applications to use modules - Explain the default modules and class path - Use jdeps to determine dependencies |
| Working with Java data types | 12% | - Create and manipulate strings - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods - Declare and initialize variables - Read or write to object fields - Call methods on objects - Explain an object's lifecycle (creation, dereferencing via garbage collection) |
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