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java.lang.Objectorg.apache.commons.collections.primitives.DoubleCollections
This class consists exclusively of static methods that operate on or return DoubleCollections.
The methods of this class all throw a NullPoDoubleerException if the provided collection is null.
| Field Summary | |
static DoubleIterator |
EMPTY_DOUBLE_ITERATOR
An unmodifiable, empty DoubleIterator |
static DoubleList |
EMPTY_DOUBLE_LIST
An unmodifiable, empty DoubleList |
static DoubleListIterator |
EMPTY_DOUBLE_LIST_ITERATOR
An unmodifiable, empty DoubleListIterator |
| Constructor Summary | |
DoubleCollections()
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| Method Summary | |
static DoubleIterator |
getEmptyDoubleIterator()
Returns an unmodifiable, empty DoubleIterator |
static DoubleList |
getEmptyDoubleList()
Returns an unmodifiable, empty DoubleList. |
static DoubleListIterator |
getEmptyDoubleListIterator()
Returns an unmodifiable, empty DoubleListIterator |
static DoubleIterator |
singletonDoubleIterator(double value)
Returns an unmodifiable DoubleIterator containing only the specified element. |
static DoubleList |
singletonDoubleList(double value)
Returns an unmodifiable DoubleList containing only the specified element. |
static DoubleListIterator |
singletonDoubleListIterator(double value)
Returns an unmodifiable DoubleListIterator containing only the specified element. |
static DoubleIterator |
unmodifiableDoubleIterator(DoubleIterator iter)
Returns an unmodifiable version of the given non-null DoubleIterator. |
static DoubleList |
unmodifiableDoubleList(DoubleList list)
Returns an unmodifiable version of the given non-null DoubleList. |
static DoubleListIterator |
unmodifiableDoubleListIterator(DoubleListIterator iter)
Returns an unmodifiable version of the given non-null DoubleListIterator. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
public static final DoubleList EMPTY_DOUBLE_LIST
getEmptyDoubleList()public static final DoubleIterator EMPTY_DOUBLE_ITERATOR
getEmptyDoubleIterator()public static final DoubleListIterator EMPTY_DOUBLE_LIST_ITERATOR
getEmptyDoubleListIterator()| Constructor Detail |
public DoubleCollections()
| Method Detail |
public static DoubleList singletonDoubleList(double value)
value - the single value
public static DoubleIterator singletonDoubleIterator(double value)
value - the single value
public static DoubleListIterator singletonDoubleListIterator(double value)
value - the single value
public static DoubleList unmodifiableDoubleList(DoubleList list)
throws java.lang.NullPointerException
list - the non-null DoubleList to wrap in an unmodifiable decorator
NullPoDoubleerException - if the given DoubleList is null
java.lang.NullPointerExceptionUnmodifiableDoubleList.wrap(org.apache.commons.collections.primitives.DoubleList)public static DoubleIterator unmodifiableDoubleIterator(DoubleIterator iter)
iter - the non-null DoubleIterator to wrap in an unmodifiable decorator
NullPoDoubleerException - if the given DoubleIterator is nullUnmodifiableDoubleIterator.wrap(org.apache.commons.collections.primitives.DoubleIterator)public static DoubleListIterator unmodifiableDoubleListIterator(DoubleListIterator iter)
iter - the non-null DoubleListIterator to wrap in an unmodifiable decorator
NullPoDoubleerException - if the given DoubleListIterator is nullUnmodifiableDoubleListIterator.wrap(org.apache.commons.collections.primitives.DoubleListIterator)public static DoubleList getEmptyDoubleList()
EMPTY_DOUBLE_LISTpublic static DoubleIterator getEmptyDoubleIterator()
EMPTY_DOUBLE_ITERATORpublic static DoubleListIterator getEmptyDoubleListIterator()
EMPTY_DOUBLE_LIST_ITERATOR
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