@FunctionalInterface public interface IntUnaryOperator
int
-valued operand that produces an int
-valued result. This is the primitive type specialization of UnaryOperator
for int
. This is a functional interface whose functional method is applyAsInt(int)
.
Modifier and Type | Method | Description |
---|---|---|
default IntUnaryOperator |
andThen |
Returns a composed operator that first applies this operator to its input, and then applies the after operator to the result. |
int |
applyAsInt |
Applies this operator to the given operand. |
default IntUnaryOperator |
compose |
Returns a composed operator that first applies the before operator to its input, and then applies this operator to the result. |
static IntUnaryOperator |
identity() |
Returns a unary operator that always returns its input argument. |
int applyAsInt(int operand)
operand
- the operanddefault IntUnaryOperator compose(IntUnaryOperator before)
before
operator to its input, and then applies this operator to the result. If evaluation of either operator throws an exception, it is relayed to the caller of the composed operator.before
- the operator to apply before this operator is appliedbefore
operator and then applies this operatorNullPointerException
- if before is nulldefault IntUnaryOperator andThen(IntUnaryOperator after)
after
operator to the result. If evaluation of either operator throws an exception, it is relayed to the caller of the composed operator.after
- the operator to apply after this operator is appliedafter
operatorNullPointerException
- if after is nullstatic IntUnaryOperator identity()
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/function/IntUnaryOperator.html