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Updated: Sep 07, 2026

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For more info read reference:

1Z0-006 Official Certification Site Oracle Cloud Learning Resources

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

Oracle 1Z0-819日本語 Exam Overview:

Certification Vendor:Oracle
Exam Name:Java SE 11 Developer
Exam Number:1Z0-819
Passing Score:Approximately 68%
Related Certifications:Oracle Certified Professional Java SE 8 Developer
Oracle Certified Associate (OCA) Java SE 8/11
Exam Format:Drag and Drop, Multiple Response, Multiple Choice
Certificate Validity Period:No expiration
Available Languages:Japanese, English
Exam Duration:180 minutes
Real Exam Qty:50-70 (varies)
Exam Price:USD 245 (may vary by country/region)
Recommended Training:Oracle University Java Training
Exam Registration:Oracle Certification Registration
Sample Questions:Oracle 1Z0-819日本語 Sample Questions
Exam Way:Online proctored or authorized test center
Pre Condition:Recommended: Strong understanding of Java SE 11 fundamentals and prior Java certification knowledge (OCA-level).
Official Syllabus URL:https://education.oracle.com

What is Java SE 11 Developer Exam Number: 1Z0-819 Certification Exam and Retake policy

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.

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:

  • 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)
  • Create and use subclasses and superclasses, including abstract classes
  • Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
  • Create and use enumerations
  • 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
  • Utilize polymorphism and casting to call methods, differentiate object type versus reference type
  • Initialize objects and their members using instance and static initialiser statements and constructors
  • Understand variable scopes, apply encapsulation and make objects immutable

Oracle 1Z0-819日本語 Exam Syllabus Topics:

SectionObjectives
Topic 1: Java I/O and NIO- File handling
  • 1. NIO file APIs
    • 2. FileReader and FileWriter
      Topic 2: Exception Handling- Error handling in Java
      • 1. Try-catch-finally blocks
        • 2. Checked and unchecked exceptions
          Topic 3: Concurrency- Multithreading
          • 1. Executor framework
            • 2. Thread lifecycle
              Topic 4: Java Class Design- Encapsulation and Inheritance
              • 1. Class structure and modifiers
                • 2. Inheritance hierarchies
                  - Polymorphism
                  • 1. Method overriding
                    • 2. Dynamic binding
                      Topic 5: JDBC and Database Connectivity- Database access
                      • 1. JDBC API usage
                        • 2. SQL execution from Java
                          Topic 6: Functional Programming- Lambda Expressions
                          • 1. Lambda syntax and usage
                            • 2. Functional interfaces
                              Topic 7: Streams API- Stream operations
                              • 1. Intermediate and terminal operations
                                • 2. Collectors
                                  Topic 8: Generics and Collections- Generics
                                  • 1. Generic classes and methods
                                    • 2. Wildcards
                                      - Java Collections Framework
                                      • 1. List, Set, Map interfaces
                                        • 2. Sorting and searching

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