Oracle 1Z0-856 : Java Standard Edition 6 Developer Certified Master Essay Exam (Step 2 of 2)

  • Exam Code: 1Z0-856
  • Exam Name: Java Standard Edition 6 Developer Certified Master Essay Exam (Step 2 of 2)
  • Updated: Sep 11, 2026
  • Q & A: 100 Questions and Answers

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Oracle 1Z0-856 Exam Syllabus Topics:
SectionObjectives
Advanced Java SE 6 Core Concepts- Object-Oriented Design and Principles
  • 1. Encapsulation, inheritance, polymorphism
    • 2. Design patterns and best practices
      - Exception Handling and Robust Design
      • 1. Designing fault-tolerant applications
        • 2. Checked vs unchecked exceptions
          I/O, Concurrency, and Performance- Multithreading and Concurrency
          • 1. Concurrency utilities and thread safety
            • 2. Thread lifecycle and synchronization
              - Input/Output Processing
              • 1. File and stream handling
                • 2. Serialization concepts
                  Application Design and Architecture- Enterprise Application Design
                  • 1. Layered architecture
                    • 2. Scalability and maintainability considerations
                      Java Collections and Generics- Collections Framework
                      • 1. List, Set, Map implementations and use cases
                        • 2. Performance considerations
                          - Generics
                          • 1. Generic classes and methods
                            • 2. Type safety and wildcard usage
                              JDBC and Database Integration- Database Connectivity
                              • 1. PreparedStatement and transaction management
                                • 2. JDBC API usage

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