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Interface LongFunction<R>

Type Parameters:: R - the type of the result of the function

Functional Interface:: This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public interface LongFunction<R>

Represents a function that accepts a long-valued argument and produces a result. This is the long-consuming primitive specialization for Function.

This is a functional interface whose functional method is apply(long).

Since:

1.8

See Also:

Method Summary

Modifier and Type	Method	Description
`R`	`apply(long value)`	Applies this function to the given argument.

Method Details

apply

R apply(long value)

Applies this function to the given argument.

Parameters:: value - the function argument
Returns:: the function result

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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/function/LongFunction.html