compact1, compact2, compact3
java.util.function
Interface Consumer<T>
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- Type Parameters:
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T- the type of the input to the operation
- All Known Subinterfaces:
- Stream.Builder<T>
- 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 Consumer<T>
Represents an operation that accepts a single input argument and returns no result. Unlike most other functional interfaces,Consumeris expected to operate via side-effects.This is a functional interface whose functional method is
accept(Object).- Since:
- 1.8
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Method Summary
All Methods Instance Methods Abstract Methods Default Methods Modifier and Type Method and Description voidaccept(T t)Performs this operation on the given argument.default Consumer<T>andThen(Consumer<? super T> after)Returns a composedConsumerthat performs, in sequence, this operation followed by theafteroperation.
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Method Detail
accept
void accept(T t)
Performs this operation on the given argument.- Parameters:
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t- the input argument
andThen
default Consumer<T> andThen(Consumer<? super T> after)
Returns a composedConsumerthat performs, in sequence, this operation followed by theafteroperation. If performing either operation throws an exception, it is relayed to the caller of the composed operation. If performing this operation throws an exception, theafteroperation will not be performed.- Parameters:
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after- the operation to perform after this operation - Returns:
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a composed
Consumerthat performs in sequence this operation followed by theafteroperation - Throws:
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NullPointerException- ifafteris null
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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