[Flutter] ListView와 ListView.builder, separated 구분하기

ListView ListView: Creates a scrollable, linear array of widgets from an explicit List. This constructor is appropriate for list views with a small number of children because constructing the List requires doing work for every child that could possibly be displayed in the list view instead of just those children that are actually visible. → ListView의 생성자에서 아이템(ListTile)을 직접 구현하여 ListView를 구성하는 방.....