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Added in API level 24

BiConsumer

public interface BiConsumer

java.util.function.BiConsumer<T, U>

Represents an operation that accepts two input arguments and returns no result. This is the two-arity specialization of Consumer. Unlike most other functional interfaces, BiConsumer is expected to operate via side-effects.

This is a functional interface whose functional method is accept(Object,Object).

See also:

Consumer

Summary

Public methods
`abstract void`	`accept(T t, U u)` Performs this operation on the given arguments.
`default BiConsumer<T, U>`	`)">andThen(BiConsumer<? super T, ? super U> after)` Returns a composed `BiConsumer` that performs, in sequence, this operation followed by the `after` operation.

Public methods

accept

Added in API level 24

public abstract void accept (T t, 
                U u)

Performs this operation on the given arguments.

Parameters
`t`	`T`: the first input argument
`u`	`U`: the second input argument

andThen

Added in API level 24

public BiConsumer<T, U> andThen (BiConsumer<? super T, ? super U> after)

Returns a composed BiConsumer that performs, in sequence, this operation followed by the after operation. If performing either operation throws an exception, it is relayed to the caller of the composed operation. If performing this operation throws an exception, the after operation will not be performed.

Parameters
`after`	`BiConsumer`: the operation to perform after this operation

Returns
`BiConsumer<T, U>`	a composed `BiConsumer` that performs in sequence this operation followed by the `after` operation

Throws
`NullPointerException`	if `after` is null

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Last updated 2026-08-03 UTC.

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