T
- 函数的第一个参数的类型
U
- 函数的第二个参数的类型
R
- 函数结果的类型
@FunctionalInterface public interface BiFunction<T,U,R>
Function
default <V> BiFunction<T,U,V> andThen(Function<? super R,? extends V> after)
after
函数应用于结果。
如果任一函数的评估引发异常,则将其转发给组合函数的调用者。
V
-
after
函数的输出类型,以及组合函数
after
- 应用此函数后应用的功能
after
函数
NullPointerException
- if after is null
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