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      Fidelity Investments

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      IOS Engineer : entretien chez Fidelity Investments

      Question d’entretien chez Fidelity Investments

      Entretien pour IOS Engineer

      What is the difference between a struct and a class?

      Réponses aux questions d'entretien

      Utilisateur anonyme

      25 oct. 2024

      class: reference type, shared mutable state, inheritance struct: value type, immutable, no inheritance

      Utilisateur anonyme

      3 nov. 2024

      Structs are value type and use stack data structure, thread safe due to the creating new copy every time (value type) Classes are reference type and use heap data structure, thread safety is not guaranteed and needs manual efforts to ensure it.

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