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    87%
    true
      
    4%
    false
      
    0%
    nil
      
    8%
    1
      
    Anonymous Quiz
    6%
    Array
      
    87%
    List
      
    6%
    Set
      
    2%
    Dictionary
      
    Anonymous Quiz
    93%
    Optional
      
    3%
    Nullable
      
    0%
    Maybe
      
    3%
    OptionalValue
      
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    6%
    Threads
      
    88%
    DispatchQueue
      
    2%
    Timers
      
    4%
    Operations
      
    Anonymous Quiz
    65%
    addObserver
      
    12%
    observeValue
      
    16%
    observe
      
    7%
    addPropertyObserver
      
    Anonymous Quiz
    93%
    weak
      
    2%
    unowned
      
    2%
    optional
      
    3%
    lazy
      
    Anonymous Quiz
    19%
    toUpperCase()
      
    78%
    uppercased()
      
    2%
    uppercaseString()
      
    2%
    convertToUpperCase()
      
    Anonymous Quiz
    0%
    Метод для выполнения асинхронного кода
      
    6%
    Метод для преобразования типов
      
    94%
    Метод для создания экземпляра класса или структуры
      
    0%
    Метод для обработки ошибок
      
    Anonymous Quiz
    3%
    delete(at:)
      
    86%
    remove(at:)
      
    10%
    removeElement(at:)
      
    0%
    deleteElement(at:)
      
    Anonymous Quiz
    9%
    if
      
    5%
    switch
      
    11%
    repeat
      
    76%
    choose
      
    Anonymous Quiz
    6%
    Array
      
    42%
    Enum
      
    4%
    Struct
      
    48%
    Dictionary
      
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    24%
    append()
      
    52%
    join()
      
    18%
    concatenate()
      
    6%
    add()
      
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    61%
    [Type]
      
    38%
    Array<Type>
      
    1%
    {Type}
      
    1%
    (Type)
      
    🤔1
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    49%
    Double
      
    38%
    Float
      
    13%
    Decimal
      
    0%
    Int
      
    💊3
  Anonymous Quiz
    97%
    class
      
    2%
    struct
      
    1%
    interface
      
    0%
    type
      
    Anonymous Quiz
    98%
    isEmpty
      
    2%
    count
      
    0%
    length
      
    0%
    size
      
    Anonymous Quiz
    98%
    String
      
    2%
    Text
      
    0%
    CharSequence
      
    1%
    Character
      
    Anonymous Quiz
    2%
    enumeration
      
    95%
    enum
      
    2%
    case
      
    2%
    switch
      
    Anonymous Quiz
    15%
    Наследование
      
    70%
    Полиморфизм
      
    3%
    Инкапсуляция
      
    12%
    Абстракция
      
    Anonymous Quiz
    62%
    debugDescription
      
    7%
    customDescription
      
    23%
    debugString
      
    9%
    descriptionText
      
    Anonymous Quiz
    20%
    Автоматическое управление памятью (ARC)
      
    20%
    Семафоры
      
    29%
    Диспетчеризация (Dispatch)
      
    31%
    Блоки завершения (Completion Handlers)