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Updated: Aug 01, 2026
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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 pdf:
- Sort collections and arrays using Comparator and Comparable interfaces
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
- Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
- Use Java Streams to filter, transform and process data
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
- Use generics, including wildcards
Oracle 1Z0-819 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1Z0-819 |
| Exam Format: | Multiple Choice, Multiple Select |
| Exam Price: | USD $245 |
| Certificate Validity Period: | No expiration |
| Exam Duration: | 90 minutes |
| Related Certifications: | Oracle Certified Professional: Java SE 17 Developer Oracle Certified Professional: Java SE 21 Developer |
| Passing Score: | 68% |
| Available Languages: | English, Chinese (Traditional, Taiwan only) |
| Real Exam Qty: | 50 |
| Recommended Training: | Java SE 11 Developer Training |
| Exam Registration: | Pearson VUE Oracle University |
| Sample Questions: | Oracle 1Z0-819 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended: solid Java programming knowledge and development experience |
| Official Syllabus URL: | https://education.oracle.com/product/pexam_1z0-819 |
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:
- Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity
- Create and use enumerations
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Secure resource access including filesystems, manage policies and execute privileged code
- Create and use subclasses and superclasses, including abstract classes
- Understand variable scopes, apply encapsulation and make objects immutable
- Initialize objects and their members using instance and static initialiser statements and constructors
- Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Define and use fields and methods, including instance, static and overloaded methods
How to book the Java SE 11 Developer Exam Number: 1Z0-819
You register with an Oracle partner pearsonvue.com, tie your Oracle account, choose whether you want to pass in the center or from home. If you choose the option from home, you will be followed through the camera and microphone throughout the exam, there should be no one in the room, you can not talk to anyone and look only at the screen, the Internet must be stable, without troubles, otherwise, the result will be canceled.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Passing Score: 60% or higher
- Types of questions: Performance Based Questions
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Length of Exam: 85 min
- Examination Fees: $250 USD
- No. of Questions: 60 Questions
Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Concurrency | 8-12% | - Create and manage threads, use ExecutorService, Callable and Future - Use parallel streams and CompletableFuture - Use synchronization, locks, atomic variables and concurrent collections |
| Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Exception Handling and Assertions | 8-12% | - Create custom exceptions and use standard exceptions - Use assertions appropriately - Use try-catch-finally, try-with-resources, throw and throws |
| JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
| Lambda Expressions and Streams | 12-18% | - Define and use functional interfaces and lambda expressions - Create and use stream pipelines, including intermediate and terminal operations - Use Optional class and primitive type streams |
| Working with Java Data Types | 10-15% | - Handle text using String, StringBuilder and StringBuffer classes - Manipulate numeric values and formatting - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting |
| Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Overload and override methods, use constructors and initializers - Apply encapsulation, inheritance, polymorphism and abstraction - Declare and instantiate classes, interfaces, abstract classes and nested classes |
| Arrays and Collections | 12-18% | - Create and manipulate arrays, lists, sets, maps, queues and deques - Sort and search collections and arrays - Use generics, wildcards and diamond notation |
| Java I/O and NIO.2 | 8-12% | - Implement serialization and deserialization - Read and write data using streams, readers, writers and channels - Manage files, directories and file attributes with java.nio.file API |
| Java Platform Module System | 8-12% | - Use automatic modules and unnamed modules - Define modules, module declarations, requires, exports, opens, uses and provides - Compile, package and run modular applications |
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