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

1Z0-856 real exams

Exam Code: 1Z0-856

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

Updated: Aug 24, 2026

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Oracle 1Z0-856 Exam Syllabus Topics:

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

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