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싱글톤(Singleton) 클래스

class Singleton {
  static final Singleton _instance = Singleton._internal();

  factory Singleton() {
    return _instance;
  }

  Singleton._internal() { //클래스가 최초 생성될때 1회 발생
    //초기화 코드    
  }
}

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Posted on 2021-05-18 1:21 AM by andrew Comment
📂This entry was posted in flutter

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