For more info read reference:
1Z0-006 Official Certification Site Oracle Cloud Learning Resources
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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
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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:
- Create and use enumerations
- Understand variable scopes, apply encapsulation and make objects immutable
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Secure resource access including filesystems, manage policies and execute privileged code
- Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity
- Define and use fields and methods, including instance, static and overloaded methods
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Initialize objects and their members using instance and static initialiser statements and constructors
- Create and use subclasses and superclasses, including abstract classes
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
| Exception Handling and Assertions | 8-12% | - Use try-catch-finally, try-with-resources, throw and throws - Use assertions appropriately - Create custom exceptions and use standard exceptions |
| Working with Java Data Types | 10-15% | - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Manipulate numeric values and formatting - Handle text using String, StringBuilder and StringBuffer classes |
| Java Platform Module System | 8-12% | - Use automatic modules and unnamed modules - Compile, package and run modular applications - Define modules, module declarations, requires, exports, opens, uses and provides |
| Lambda Expressions and Streams | 12-18% | - Use Optional class and primitive type streams - Create and use stream pipelines, including intermediate and terminal operations - Define and use functional interfaces and lambda expressions |
| Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Apply encapsulation, inheritance, polymorphism and abstraction - Overload and override methods, use constructors and initializers - Declare and instantiate classes, interfaces, abstract classes and nested classes |
| Arrays and Collections | 12-18% | - Use generics, wildcards and diamond notation - Create and manipulate arrays, lists, sets, maps, queues and deques - Sort and search collections and arrays |
| 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 |
| Java I/O and NIO.2 | 8-12% | - Manage files, directories and file attributes with java.nio.file API - Implement serialization and deserialization - Read and write data using streams, readers, writers and channels |
| Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
