T
- the type of the first argument to the functionU
- the type of the second argument to the functionR
- the type of the result of the functionBinaryOperator<T>
@FunctionalInterface public interface BiFunction<T,U,R>
Function
. This is a functional interface whose functional method is apply(Object, Object)
.
Modifier and Type | Method | Description |
---|---|---|
default <V> BiFunction |
andThen |
Returns a composed function that first applies this function to its input, and then applies the after function to the result. |
R |
apply |
Applies this function to the given arguments. |
R apply(T t, U u)
t
- the first function argumentu
- the second function argumentdefault <V> BiFunction<T,U,V> andThen(Function<? super R,? extends V> after)
after
function to the result. If evaluation of either function throws an exception, it is relayed to the caller of the composed function.V
- the type of output of the after
function, and of the composed functionafter
- the function to apply after this function is appliedafter
functionNullPointerException
- if after is null
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/function/BiFunction.html