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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.
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
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
- Use Java Streams to filter, transform and process data
- Use generics, including wildcards
- Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Exception Handling and Assertions | 8-12% | - Create custom exceptions and use standard exceptions - Use try-catch-finally, try-with-resources, throw and throws - Use assertions appropriately |
| Lambda Expressions and Streams | 12-18% | - Define and use functional interfaces and lambda expressions - Use Optional class and primitive type streams - Create and use stream pipelines, including intermediate and terminal operations |
| Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Java Object-Oriented Approach | 15-20% | - Overload and override methods, use constructors and initializers - Declare and instantiate classes, interfaces, abstract classes and nested classes - Apply encapsulation, inheritance, polymorphism and abstraction - Use local variable type inference |
| Arrays and Collections | 12-18% | - Create and manipulate arrays, lists, sets, maps, queues and deques - Use generics, wildcards and diamond notation - Sort and search collections and arrays |
| 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 |
| 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 |
| 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 I/O and NIO.2 | 8-12% | - Implement serialization and deserialization - Manage files, directories and file attributes with java.nio.file API - Read and write data using streams, readers, writers and channels |
| JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
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