Study with 1Z0-819 Actual Test Questions
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Updated: Aug 24, 2026
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Oracle 1Z0-819 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Exam Price: | $245 USD |
| Available Languages: | English, Japanese, Chinese, Portuguese, Spanish |
| Passing Score: | 68% |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Exam Format: | Multiple Choice, Multiple Select |
| Real Exam Qty: | 80 |
| Sample Questions: | Oracle 1Z0-819 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 |
The benefit in Obtaining the 1Z0-819 Exam Certification
- Java SE 11 Developer Exam will be confident and stand different from others as their skills are more trained than non-certified professionals
- Java SE 11 Developer Exam have the knowledge to use the tools to complete the task efficiently and cost effectively than the other non-certified professionals lack in doing so
- Java SE 11 Developer Exam provides practical experience to candidates from all the aspects to be a proficient worker in the organization
- Java SE 11 Developer Exam provide opportunities to get a job easily in which they are interested in instead of wasting years and ending without getting any experience
- Java SE 11 Developer Exam have more useful and relevant networks that help them in setting career goals for themselves
- Java SE 11 Developer Exam networks provide them with the right career direction than non certified usually are unable to get
- Java SE 11 Developer Exam are distinguished among competitors
- Java SE 11 Developer Exam can give them an edge at that time easily when candidates appear for a job interview employers seek to notify something which differentiates the individual to another
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Certification Path for Java SE 11 Developer Exam Number: 1Z0-819
Java SE 11 Developer Exam Number: 1Z0-819 is a fundamental exam. Successful completion by candidates will allow them to achieve Oracle Certified Professional: Java SE 11 Developer.
Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in the ORACLE 1Z0-006 exam dumps:
- Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting
- Use local variable type inference, including as lambda parameters
- Handle text using String and StringBuilder classes
Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Java data types | 12% | - Create and manipulate strings - Differentiate between object reference variables and primitive variables - Declare and initialize variables - 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 |
| Topic 2: Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Topic 3: Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Create and throw custom exceptions - Use assertions - Use standard exception classes - Use resource bundles and locale classes for internationalization - Create try-catch blocks and understand exception propagation |
| Topic 4: Working with Arrays and Collections | 8% | - Filter a collection using lambda expressions - Search for elements in a collection - Create a list, set, map, or queue collection - Use generic types and diamond operator - Sort elements in a collection - Iterate through a collection |
| Topic 5: Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Validate user input - Secure sensitive data - Prevent Denial of Service (DoS) attacks |
| Topic 6: Concurrency | 10% | - Create worker threads using Runnable and Thread objects - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems - Use synchronized blocks and the volatile keyword - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance |
| Topic 7: I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - Use Stream API with files - Read and write console and file input/output using Java I/O system - Use NIO2 API to work with file systems and file attributes |
| Topic 8: Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use switch statements - Use break and continue statements - Use if and if/else statements - Use Java control statements |
| Topic 9: Working with Streams and Lambda expressions | 13% | - Use method references with streams - Filter a collection using lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline |
| Topic 10: 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 - Use abstract classes and interfaces - Implement inheritance - Apply the static keyword to methods and fields - Implement polymorphism |
| Topic 11: Database Applications with JDBC | 5% | - Execute queries and process results - Connect to a database using JDBC - Use parameterized queries - Describe the advantages of using a connection pool |
| Topic 12: Java Platform Module System | 10% | - Explain the concept of module exports and requires - Explain the default modules and class path - Declare module dependencies - Deploy and execute modules - Use jdeps to determine dependencies - Migrate applications to use modules |
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