?? Function<T,R>
- ????:
T
- The type of the function input.R
- The type of the function output.
- ????:
- ????????, ????? lambda ??????????????
A function that accepts a single argument and produces a result.
This is a functional interface and can be used as the assignment target for a lambda expression or method reference.
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apply
Applies this function to the specified argument.- ??:
t
- The input to this function.- ??:
- The output of this function.
- ??:
Exception
- An exception thrown by the method.
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