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To pass the exam, candidates must have a good understanding of Java SE 11 and be able to write code that meets specific requirements. They must also be familiar with common development tools, such as Eclipse or IntelliJ IDEA, and know how to use them to develop, debug, and test Java applications.

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

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:

• Declare, use, and expose modules, including the use of services
• Understand variable scopes, apply encapsulation and make objects immutable
• Initialize objects and their members using instance and static initialiser statements and constructors
• Define and use fields and methods, including instance, static and overloaded methods
• 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 and use subclasses and superclasses, including abstract classes
• Handle file system objects using java.nio.file API
• Deploy and execute modular applications, including automatic modules
• Connect to and perform database SQL operations, process query results using JDBC API Annotations
• Create and use enumerations
• Read and write console and file data using I/O Streams
• Create, apply, and process annotations
• Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods

Oracle 1Z0-819 exam covers a wide range of topics related to Java programming, including Java basics, object-oriented programming, functional programming, concurrency, JDBC, and security. 1Z0-819 exam consists of 80 multiple-choice and multiple-select questions, and the candidate is given three hours to complete the exam. The passing score for 1Z0-819 exam is 63% or higher, and candidates who pass the exam receive the Oracle Certified Professional: Java SE 11 Developer certification.

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Oracle 1Z0-819 certification exam is designed for Java developers who have already gained foundational knowledge of Java SE 11. 1Z0-819 exam is intended to validate the developer's proficiency in Java programming and assess their ability to design and implement Java applications. Passing the Oracle 1Z0-819 exam demonstrates that a developer is capable of working with Java SE 11 to build robust and reliable applications.