Category: 7.Methods

Methods

Memory map

Objective

Following rules are described
  1. Item 49: Check parameters for validity
  2. Item 50: Make defensive copies when needed
  3. Item 51: Design method signatures carefully
  4. Item 52: Use overloading judiciously
  5. Item 53: Use varargs judiciously
  6. Item 54: Return empty collections or arrays, not nulls
  7. Item 55: Return optionals judiciously
  8. Item 56: Write doc comments for all exposed API elements
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