Oracle Java SE 11 Developer : 1z1-819 Exam Questions

  • Exam Code: 1z1-819
  • Exam Name: Java SE 11 Developer
  • Updated: Sep 05, 2025
  • Q&As: 297 Questions and Answers

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Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.

To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.

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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:

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

Oracle 1z1-819 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Deploy and execute modular applications, including automatic modules
  • Implement functional interfaces using lambda expressions
Topic 2
  • Handle text using String and StringBuilder classes
  • Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Topic 3
  • Create and use subclasses and superclasses, including abstract classes
  • Use local variable type inference, including as lambda parameters
Topic 4
  • Create and use interfaces, identify functional interfaces
  • Initialize objects and their members using instance and static initialiser statements and constructors
Topic 5
  • Understand variable scopes, apply encapsulation and make objects immutable
  • Connect to and perform database SQL operations, process query results using JDBC API
Topic 6
  • Define and use fields and methods, including instance, static and overloaded methods
  • Working with Arrays and Collections
Topic 7
  • Develop code that mitigates security threats such as denial of service
  • Use Java Streams to filter, transform and process data

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

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