public class DoubleUtils
extends java.lang.Object
double
.Modifier and Type | Field and Description |
---|---|
static double[] |
EMPTY_DOUBLE_ARRAY
Immutable empty array.
|
Constructor and Description |
---|
DoubleUtils()
Constructor that should not usually be used.
|
Modifier and Type | Method and Description |
---|---|
static java.lang.Double |
toObject(double value)
Wraps an
double with an Object wrapper. |
static double |
toPrimitive(java.lang.Object value)
Unwraps the
Double to retrieve the primitive double . |
static double[] |
toPrimitiveArray(java.util.Collection<?> coll)
Unwraps a
Collection to retrieve the primitive double . |
public static final double[] EMPTY_DOUBLE_ARRAY
public static java.lang.Double toObject(double value)
double
with an Object wrapper.value
- the primitive valuepublic static double toPrimitive(java.lang.Object value)
Double
to retrieve the primitive double
.value
- the Object wrapper, must not be nulljava.lang.NullPointerException
- if the value if nulljava.lang.ClassCastException
- if the object is not Double
public static double[] toPrimitiveArray(java.util.Collection<?> coll)
Collection
to retrieve the primitive double
.coll
- the Collection of Double, must not be nulljava.lang.NullPointerException
- if the collection if nulljava.lang.ClassCastException
- if any object is not Double
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