T
- the type of the input to the operation@FunctionalInterface public interface Consumer<T>
Represents an operation that accepts a single input argument and returns no result. Unlike most other functional interfaces, Consumer
is expected to operate via side-effects.
This is a functional interface whose functional method is accept(Object)
.
void accept(T t)
Performs this operation on the given argument.
t
- the input argumentdefault Consumer<T> andThen(Consumer<? super T> after)
Returns a composed Consumer
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.
after
- the operation to perform after this operationConsumer
that performs in sequence this operation followed by the after
operationNullPointerException
- if after
is null
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