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

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

Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913

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Who should take the Java SE 11 Developer Exam Number: 1Z0-819

This exam helps students to understand the basic relational database concepts. Moreover, it will teach the students about data modeling concepts, building Entity Relationship Diagrams (ERDs), and mapping ERDs. Moreover, with this project-based learning techniques, students will be able to create and work with projects to design, implement, and demonstrate a database solution for a business or organization.

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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:

Read and write console and file data using I/O Streams
Understand variable scopes, apply encapsulation and make objects immutable
Define and use fields and methods, including instance, static and overloaded 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 interfaces, identify functional interfaces, and utilize private, static, and default methods
Deploy and execute modular applications, including automatic modules
Connect to and perform database SQL operations, process query results using JDBC API Annotations
Create, apply, and process annotations
Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Handle file system objects using java.nio.file API
Create and use enumerations
Create and use subclasses and superclasses, including abstract classes
Implement serialization and deserialization techniques on Java objects
Declare, use, and expose modules, including the use of services

Oracle 1Z0-819日本語 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Java Platform Module System	8-12%	- Define modules, module declarations, requires, exports, opens, uses and provides - Compile, package and run modular applications - Use automatic modules and unnamed modules
Topic 2: Concurrency	8-12%	- Use synchronization, locks, atomic variables and concurrent collections - Create and manage threads, use ExecutorService, Callable and Future - Use parallel streams and CompletableFuture
Topic 3: JDBC Database Access	5-8%	- Connect to databases, execute queries and updates - Process result sets, manage transactions and resources
Topic 4: Arrays and Collections	12-18%	- Use generics, wildcards and diamond notation - Sort and search collections and arrays - Create and manipulate arrays, lists, sets, maps, queues and deques
Topic 5: Working with Java Data Types	10-15%	- Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Handle text using String, StringBuilder and StringBuffer classes - Manipulate numeric values and formatting
Topic 6: Java Object-Oriented Approach	15-20%	- Declare and instantiate classes, interfaces, abstract classes and nested classes - Apply encapsulation, inheritance, polymorphism and abstraction - Use local variable type inference - Overload and override methods, use constructors and initializers
Topic 7: 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
Topic 8: 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
Topic 9: Secure Coding and Localization	5-8%	- Apply secure coding practices, input validation and data protection - Use Locale, ResourceBundle and formatting APIs for internationalization
Topic 10: 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