Hi All,
List<Number> and List<? extends Number>?
List<Number> --> List of Numbers (or instances of Number) : Will it only take Number as argument ?
List<? extends Number> --> List any type which extends Number : Will it only take subclass of Number class ?
List<Number> and List<? extends Number>?
List<Number> --> List of Numbers (or instances of Number) : Will it only take Number as argument ?
List<? extends Number> --> List any type which extends Number : Will it only take subclass of Number class ?