Genel olarak bir sınıftan kaç tane obje üretilidğini kontrol etmek istendiğinde singleton yapısı kullanılmış olur.Tek bir nesneye ihtiyaç duyulan durumlarda (veri tabanı bağlantıları, port bağlantıları, dosya işlemleri, loglama işlemleri,bildirimlerde, iş katmanı servislerimizde) kullanılır ..
Read moreAre static classes better?
Static classes and static members are useful because they do not require instances created for each new object . That means, they consume fewer resources and no duplication of the same class or member is needed in memory.
Read moreAre static classes better?
Static classes and static members are useful because they do not require instances created for each new object . That means, they consume fewer resources and no duplication of the same class or member is needed in memory.
Read moreWhat is an static class?
Static classes are sealed and therefore cannot be inherited . They cannot inherit from any class except Object. Static classes cannot contain an instance constructor. However, they can contain a static constructor.
Read moreWhat is an static class?
Static classes are sealed and therefore cannot be inherited . They cannot inherit from any class except Object. Static classes cannot contain an instance constructor. However, they can contain a static constructor.
Read moreWhat is a factory constructor?
A factory constructor is a constructor that can be used when you don’t necessarily want a constructor to create a new instance of your class . This might be useful if you hold instances of your class in memory and don’t want to create a new one each time (or if the operation of creating an instance is costly).
Read moreWhat is lazy singleton in flutter?
Both are Singletons . But LazySingleton refers to a class whose resource will not be initialised until its used for the 1st time . It’s generally used to save resources and memory. Follow this answer to receive notifications.
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