Moderate

You want to minimize development cost by reusing methods? Which design pattern would you choose ?

Correct answer: C. Delegation pattern

  • A. Adapter Pattern
  • B. Singleton Pattern
  • C. Delegation pattern
  • D. Immutable Pattern

Explanation

Delegation promotes reuse by having one object pass responsibility to another object instead of duplicating its methods. Adapter changes an interface, Singleton controls instances, and immutability prevents state changes.

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