Package it.unimi.dsi.fastutil.doubles
Class DoubleLists
- java.lang.Object
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- it.unimi.dsi.fastutil.doubles.DoubleLists
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public final class DoubleLists extends java.lang.Object
A class providing static methods and objects that do useful things with type-specific lists.- See Also:
Collections
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
DoubleLists.EmptyList
An immutable class representing an empty type-specific list.static class
DoubleLists.Singleton
An immutable class representing a type-specific singleton list.static class
DoubleLists.SynchronizedList
A synchronized wrapper class for lists.static class
DoubleLists.SynchronizedRandomAccessList
A synchronized wrapper class for random-access lists.static class
DoubleLists.UnmodifiableList
An unmodifiable wrapper class for lists.static class
DoubleLists.UnmodifiableRandomAccessList
An unmodifiable wrapper class for random-access lists.
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Field Summary
Fields Modifier and Type Field Description static DoubleLists.EmptyList
EMPTY_LIST
An empty list (immutable).
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static DoubleList
shuffle(DoubleList l, java.util.Random random)
Shuffles the specified list using the specified pseudorandom number generator.static DoubleList
singleton(double element)
Returns a type-specific immutable list containing only the specified element.static DoubleList
singleton(java.lang.Object element)
Returns a type-specific immutable list containing only the specified element.static DoubleList
synchronize(DoubleList l)
Returns a synchronized type-specific list backed by the given type-specific list.static DoubleList
synchronize(DoubleList l, java.lang.Object sync)
Returns a synchronized type-specific list backed by the given type-specific list, using an assigned object to synchronize.static DoubleList
unmodifiable(DoubleList l)
Returns an unmodifiable type-specific list backed by the given type-specific list.
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Field Detail
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EMPTY_LIST
public static final DoubleLists.EmptyList EMPTY_LIST
An empty list (immutable). It is serializable and cloneable.
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Method Detail
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shuffle
public static DoubleList shuffle(DoubleList l, java.util.Random random)
Shuffles the specified list using the specified pseudorandom number generator.- Parameters:
l
- the list to be shuffled.random
- a pseudorandom number generator.- Returns:
l
.
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singleton
public static DoubleList singleton(double element)
Returns a type-specific immutable list containing only the specified element. The returned list is serializable and cloneable.- Parameters:
element
- the only element of the returned list.- Returns:
- a type-specific immutable list containing just
element
.
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singleton
public static DoubleList singleton(java.lang.Object element)
Returns a type-specific immutable list containing only the specified element. The returned list is serializable and cloneable.- Parameters:
element
- the only element of the returned list.- Returns:
- a type-specific immutable list containing just
element
.
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synchronize
public static DoubleList synchronize(DoubleList l)
Returns a synchronized type-specific list backed by the given type-specific list.- Parameters:
l
- the list to be wrapped in a synchronized list.- Returns:
- a synchronized view of the specified list.
- See Also:
Collections.synchronizedList(List)
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synchronize
public static DoubleList synchronize(DoubleList l, java.lang.Object sync)
Returns a synchronized type-specific list backed by the given type-specific list, using an assigned object to synchronize.- Parameters:
l
- the list to be wrapped in a synchronized list.sync
- an object that will be used to synchronize the access to the list.- Returns:
- a synchronized view of the specified list.
- See Also:
Collections.synchronizedList(List)
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unmodifiable
public static DoubleList unmodifiable(DoubleList l)
Returns an unmodifiable type-specific list backed by the given type-specific list.- Parameters:
l
- the list to be wrapped in an unmodifiable list.- Returns:
- an unmodifiable view of the specified list.
- See Also:
Collections.unmodifiableList(List)
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