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Flyweight Pattern

A Flyweight Pattern says that just "to reuse already existing similar kind of objects by storing them and create new object when no matching object is found".

Advantage of Flyweight Pattern

  • It reduces the number of objects.
  • It reduces the amount of memory and storage devices required if the objects are persisted

Usage of Flyweight Pattern

  • When an application uses number of objects
  • When the storage cost is high because of the quantity of objects.
  • When the application does not depend on object identity.

Example of Flyweight Pattern

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