public
interface
DoubleUnaryOperator
| java.util.function.DoubleUnaryOperator |
Represents an operation on a single double-valued operand that produces
a double-valued result. This is the primitive type specialization of
UnaryOperator for double.
This is a functional interface
whose functional method is applyAsDouble(double).
See also:
Public methods | |
|---|---|
default
DoubleUnaryOperator
|
andThen(DoubleUnaryOperator after)
Returns a composed operator that first applies this operator to
its input, and then applies the |
abstract
double
|
applyAsDouble(double operand)
Applies this operator to the given operand. |
default
DoubleUnaryOperator
|
compose(DoubleUnaryOperator before)
Returns a composed operator that first applies the |
static
DoubleUnaryOperator
|
identity()
Returns a unary operator that always returns its input argument. |
DoubleUnaryOperator andThen (DoubleUnaryOperator after)
Returns a composed operator that first applies this operator to
its input, and then applies the after operator to the result.
If evaluation of either operator throws an exception, it is relayed to
the caller of the composed operator.
| Parameters | |
|---|---|
after |
DoubleUnaryOperator:
the operator to apply after this operator is applied |
| Returns | |
|---|---|
DoubleUnaryOperator |
a composed operator that first applies this operator and then
applies the after operator |
| Throws | |
|---|---|
NullPointerException |
if after is null |
See also:
double applyAsDouble (double operand)
Applies this operator to the given operand.
| Parameters | |
|---|---|
operand |
double:
the operand |
| Returns | |
|---|---|
double |
the operator result |
DoubleUnaryOperator compose (DoubleUnaryOperator before)
Returns a composed operator that first applies the 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.
| Parameters | |
|---|---|
before |
DoubleUnaryOperator:
the operator to apply before this operator is applied |
| Returns | |
|---|---|
DoubleUnaryOperator |
a composed operator that first applies the before
operator and then applies this operator |
| Throws | |
|---|---|
NullPointerException |
if before is null |
See also:
DoubleUnaryOperator identity ()
Returns a unary operator that always returns its input argument.
| Returns | |
|---|---|
DoubleUnaryOperator |
a unary operator that always returns its input argument |
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