Oracle 1Z0-855 actual dump : Java Standard Edition 6 Developer Certified Master Downloadable Project (Step 1 of 2)

1Z0-855
  • Exam Code: 1Z0-855
  • Exam Name: Java Standard Edition 6 Developer Certified Master Downloadable Project (Step 1 of 2)
  • Updated: Jul 30, 2026
  • Q & A: 100 Questions and Answers

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Oracle 1Z0-855 Exam Syllabus Topics:

SectionObjectives
Topic 1: Application Design and Implementation- Software design principles
  • 1. Error handling and robustness
    • 2. Modular design and maintainability
      Topic 2: Concurrency and Multithreading- Thread management
      • 1. Concurrency control mechanisms
        • 2. Thread lifecycle and synchronization
          Topic 3: Java Language Fundamentals- Core language constructs
          • 1. Data types and operators
            • 2. Control flow, exceptions, and error handling
              - Object-Oriented Programming principles
              • 1. Encapsulation, inheritance, polymorphism
                • 2. Class design and abstraction
                  Topic 4: Database Connectivity- JDBC API usage
                  • 1. Database connection handling
                    • 2. SQL execution and result processing
                      Topic 5: Java APIs and Core Libraries- I/O and Serialization
                      • 1. Object serialization concepts
                        • 2. File handling and stream APIs
                          - Collections Framework
                          • 1. List, Set, Map usage and implementation choices
                            • 2. Generics and type safety

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