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Oracle 1Z0-856

1Z0-856

Exam Code: 1Z0-856

Exam Name: Java Standard Edition 6 Developer Certified Master Essay Exam (Step 2 of 2)

Updated: Jul 25, 2026

Q&A Number: 100 Q&As

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Oracle 1Z0-856 Exam Syllabus Topics:

SectionObjectives
Application Design and Architecture- Enterprise Application Design
  • 1. Scalability and maintainability considerations
    • 2. Layered architecture
      I/O, Concurrency, and Performance- Input/Output Processing
      • 1. File and stream handling
        • 2. Serialization concepts
          - Multithreading and Concurrency
          • 1. Thread lifecycle and synchronization
            • 2. Concurrency utilities and thread safety
              Advanced Java SE 6 Core Concepts- Exception Handling and Robust Design
              • 1. Designing fault-tolerant applications
                • 2. Checked vs unchecked exceptions
                  - Object-Oriented Design and Principles
                  • 1. Design patterns and best practices
                    • 2. Encapsulation, inheritance, polymorphism
                      JDBC and Database Integration- Database Connectivity
                      • 1. PreparedStatement and transaction management
                        • 2. JDBC API usage
                          Java Collections and Generics- Generics
                          • 1. Generic classes and methods
                            • 2. Type safety and wildcard usage
                              - Collections Framework
                              • 1. List, Set, Map implementations and use cases
                                • 2. Performance considerations

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