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How much Java SE 11 Developer Exam Number: 1Z0-819 costs

Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
Types of questions: Performance Based Questions
Length of Exam: 85 min
Examination Fees: $250 USD
Passing Score: 60% or higher
No. of Questions: 60 Questions

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
Deploy and execute modular applications, including automatic modules
Declare, use, and expose modules, including the use of services
Read and write console and file data using I/O Streams
Understand variable scopes, apply encapsulation and make objects immutable
Connect to and perform database SQL operations, process query results using JDBC API Annotations
Define and use fields and methods, including instance, static and overloaded methods
Create and use subclasses and superclasses, including abstract classes
Initialize objects and their members using instance and static initialiser statements and constructors
Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
Implement serialization and deserialization techniques on Java objects
Create, apply, and process annotations
Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
Handle file system objects using java.nio.file 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
Java Object-Oriented Approach	15-20%	- Apply encapsulation, inheritance, polymorphism and abstraction - Use local variable type inference - Declare and instantiate classes, interfaces, abstract classes and nested classes - Overload and override methods, use constructors and initializers
Concurrency	8-12%	- Create and manage threads, use ExecutorService, Callable and Future - Use synchronization, locks, atomic variables and concurrent collections - Use parallel streams and CompletableFuture
Secure Coding and Localization	5-8%	- Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection
Java Platform Module System	8-12%	- Compile, package and run modular applications - Use automatic modules and unnamed modules - Define modules, module declarations, requires, exports, opens, uses and provides
Java I/O and NIO.2	8-12%	- Manage files, directories and file attributes with java.nio.file API - Read and write data using streams, readers, writers and channels - Implement serialization and deserialization
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%	- 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
Working with Java Data Types	10-15%	- Manipulate numeric values and formatting - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Handle text using String, StringBuilder and StringBuffer classes
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
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