Interface ForEachAction<T>
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- Type Parameters:
T- the type of the element
- 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 ForEachAction<T>Represents an operation that accepts two input arguments and returns no result. The first input argument isint-valued and usually consuming the each index in an array or a list. The second input argument is usually consuming the each element in an array or a list.- Since:
- 2.5
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Method Summary
All Methods Instance Methods Abstract Methods Default Methods Modifier and Type Method Description voidaccept(int index, T elemnt)Performs this operation on the given arguments.default ForEachAction<T>andThen(ForEachAction<? super T> after)Returns a composedForEachActionthat performs, in sequence, this operation followed by theafteroperation.
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Method Detail
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accept
void accept(int index, T elemnt)Performs this operation on the given arguments.- Parameters:
index- the indexelemnt- the element
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andThen
default ForEachAction<T> andThen(ForEachAction<? super T> after)
Returns a composedForEachActionthat 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:
after- the operation to perform after this operation- Returns:
- a composed
ForEachActionthat performs in sequence this operation followed by theafteroperation - Throws:
java.lang.NullPointerException- ifafteris null
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