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N.Null Object Pattern

  1. Motivation
    1. To get rid of null check and strongly typed implementation
  2. Summary
    1. It is an variant of Special Object Pattern
  3. When to Use
    1. You want to abstract the handling of null away from the client
  4. Overview Tutorials
    1. http://sourcemaking.com/design_patterns/null_object
  5. Related Patterns
    1. Special Object Pattern
  6. Related Technologies 
    1. None
  7. References
    1. None