接口 ForEachAction<T>
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- 类型参数:
T- the type of the element
- 函数接口:
- 这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。
@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.- 从以下版本开始:
- 2.5
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方法概要
所有方法 实例方法 抽象方法 默认方法 修饰符和类型 方法 说明 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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方法详细资料
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accept
void accept(int index, T elemnt)Performs this operation on the given arguments.- 参数:
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.- 参数:
after- the operation to perform after this operation- 返回:
- a composed
ForEachActionthat performs in sequence this operation followed by theafteroperation - 抛出:
java.lang.NullPointerException- ifafteris null
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