按眉 (Object)

按眉 (Object)

• 按眉
  • Objects are a way of putting encapsulation and information- hiding to practical use in a program.
• 按眉狼 漂隆
  • An object has a state.
  • An object has a well-defined behavior
  • An object has a unique identity.
    • Unique identification for their entire lifetime
  • 汗钦 按眉 (Composite Objects)
    • An object containing other objects.
    • Aggregation

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• Composite Objects
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