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Oracle 1z1-819 certification exam is designed for Java developers who want to demonstrate their knowledge and skills in Java SE 11 programming. 1z1-819-JPN exam is one of the most widely recognized certifications in the industry and is highly valued by employers, making it a great asset for anyone looking to advance their career in Java development.

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:

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

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