Package it.unimi.dsi.fastutil.floats
Class FloatCollections.EmptyCollection
- java.lang.Object
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- java.util.AbstractCollection<java.lang.Float>
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- it.unimi.dsi.fastutil.floats.AbstractFloatCollection
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- it.unimi.dsi.fastutil.floats.FloatCollections.EmptyCollection
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- All Implemented Interfaces:
FloatCollection
,FloatIterable
,java.lang.Iterable<java.lang.Float>
,java.util.Collection<java.lang.Float>
- Direct Known Subclasses:
FloatBigLists.EmptyBigList
,FloatLists.EmptyList
,FloatSets.EmptySet
- Enclosing class:
- FloatCollections
public abstract static class FloatCollections.EmptyCollection extends AbstractFloatCollection
An immutable class representing an empty type-specific collection.This class may be useful to implement your own in case you subclass a type-specific collection.
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Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description boolean
addAll(FloatCollection c)
Adds all elements of the given type-specific collection to this collection.boolean
addAll(java.util.Collection<? extends java.lang.Float> c)
void
clear()
boolean
contains(float k)
Returnstrue
if this collection contains the specified element.boolean
containsAll(FloatCollection c)
Checks whether this collection contains all elements from the given type-specific collection.boolean
containsAll(java.util.Collection<?> c)
DoubleIterator
doubleIterator()
Returns a widened primitive iterator on the elements of this collection.DoubleSpliterator
doubleSpliterator()
Returns widened primitive spliterator on the elements of this collection.boolean
equals(java.lang.Object o)
void
forEach(FloatConsumer action)
Performs the given action for each element of this type-specificIterable
until all elements have been processed or the action throws an exception.void
forEach(java.util.function.Consumer<? super java.lang.Float> action)
Deprecated.int
hashCode()
FloatBidirectionalIterator
iterator()
Returns a type-specific iterator on the elements of this collection.boolean
removeAll(FloatCollection c)
Remove from this collection all elements in the given type-specific collection.boolean
removeAll(java.util.Collection<?> c)
boolean
removeIf(FloatPredicate filter)
Remove from this collection all elements which satisfy the given predicate.boolean
removeIf(java.util.function.Predicate<? super java.lang.Float> filter)
Deprecated.boolean
retainAll(FloatCollection c)
Retains in this collection only elements from the given type-specific collection.boolean
retainAll(java.util.Collection<?> c)
int
size()
FloatSpliterator
spliterator()
Returns a type-specific spliterator on the elements of this collection.java.lang.Object[]
toArray()
<T> T[]
toArray(T[] array)
float[]
toFloatArray()
Returns a primitive type array containing the items of this collection.float[]
toFloatArray(float[] a)
Deprecated.-
Methods inherited from class it.unimi.dsi.fastutil.floats.AbstractFloatCollection
add, add, contains, rem, remove, toArray, toString
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Methods inherited from interface it.unimi.dsi.fastutil.floats.FloatCollection
doubleParallelStream, doubleStream, parallelStream, removeIf, stream
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Methods inherited from interface it.unimi.dsi.fastutil.floats.FloatIterable
forEach
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Method Detail
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contains
public boolean contains(float k)
Description copied from class:AbstractFloatCollection
Returnstrue
if this collection contains the specified element.- Specified by:
contains
in interfaceFloatCollection
- Overrides:
contains
in classAbstractFloatCollection
- See Also:
Collection.contains(Object)
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toArray
public java.lang.Object[] toArray()
- Specified by:
toArray
in interfacejava.util.Collection<java.lang.Float>
- Overrides:
toArray
in classjava.util.AbstractCollection<java.lang.Float>
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toArray
public <T> T[] toArray(T[] array)
- Specified by:
toArray
in interfacejava.util.Collection<java.lang.Float>
- Overrides:
toArray
in classjava.util.AbstractCollection<java.lang.Float>
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iterator
public FloatBidirectionalIterator iterator()
Description copied from interface:FloatCollection
Returns a type-specific iterator on the elements of this collection.- Specified by:
iterator
in interfacejava.util.Collection<java.lang.Float>
- Specified by:
iterator
in interfaceFloatCollection
- Specified by:
iterator
in interfaceFloatIterable
- Specified by:
iterator
in interfacejava.lang.Iterable<java.lang.Float>
- Specified by:
iterator
in classAbstractFloatCollection
- Returns:
- a type-specific iterator on the elements of this collection.
- See Also:
Iterable.iterator()
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spliterator
public FloatSpliterator spliterator()
Description copied from interface:FloatCollection
Returns a type-specific spliterator on the elements of this collection.See
Collection.spliterator()
for more documentation on the requirements of the returned spliterator.- Returns:
- a type-specific spliterator on the elements of this collection.
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size
public int size()
- Specified by:
size
in interfacejava.util.Collection<java.lang.Float>
- Specified by:
size
in classjava.util.AbstractCollection<java.lang.Float>
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clear
public void clear()
- Specified by:
clear
in interfacejava.util.Collection<java.lang.Float>
- Overrides:
clear
in classjava.util.AbstractCollection<java.lang.Float>
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hashCode
public int hashCode()
- Specified by:
hashCode
in interfacejava.util.Collection<java.lang.Float>
- Overrides:
hashCode
in classjava.lang.Object
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equals
public boolean equals(java.lang.Object o)
- Specified by:
equals
in interfacejava.util.Collection<java.lang.Float>
- Overrides:
equals
in classjava.lang.Object
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forEach
@Deprecated public void forEach(java.util.function.Consumer<? super java.lang.Float> action)
Deprecated.Description copied from interface:FloatIterable
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containsAll
public boolean containsAll(java.util.Collection<?> c)
Description copied from class:AbstractFloatCollection
- Specified by:
containsAll
in interfacejava.util.Collection<java.lang.Float>
- Overrides:
containsAll
in classAbstractFloatCollection
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addAll
public boolean addAll(java.util.Collection<? extends java.lang.Float> c)
Description copied from class:AbstractFloatCollection
- Specified by:
addAll
in interfacejava.util.Collection<java.lang.Float>
- Overrides:
addAll
in classAbstractFloatCollection
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removeAll
public boolean removeAll(java.util.Collection<?> c)
Description copied from class:AbstractFloatCollection
- Specified by:
removeAll
in interfacejava.util.Collection<java.lang.Float>
- Overrides:
removeAll
in classAbstractFloatCollection
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retainAll
public boolean retainAll(java.util.Collection<?> c)
Description copied from class:AbstractFloatCollection
- Specified by:
retainAll
in interfacejava.util.Collection<java.lang.Float>
- Overrides:
retainAll
in classAbstractFloatCollection
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removeIf
@Deprecated public boolean removeIf(java.util.function.Predicate<? super java.lang.Float> filter)
Deprecated.Description copied from interface:FloatCollection
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toFloatArray
public float[] toFloatArray()
Description copied from interface:FloatCollection
Returns a primitive type array containing the items of this collection.- Specified by:
toFloatArray
in interfaceFloatCollection
- Overrides:
toFloatArray
in classAbstractFloatCollection
- Returns:
- a primitive type array containing the items of this collection.
- See Also:
Collection.toArray()
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toFloatArray
@Deprecated public float[] toFloatArray(float[] a)
Deprecated.Description copied from class:AbstractFloatCollection
Returns a primitive type array containing the items of this collection.Note that, contrarily to
Collection.toArray(Object[])
, this methods just writes all elements of this collection: no special value will be added after the last one.- Specified by:
toFloatArray
in interfaceFloatCollection
- Overrides:
toFloatArray
in classAbstractFloatCollection
- Parameters:
a
- if this array is big enough, it will be used to store this collection.- Returns:
- a primitive type array containing the items of this collection.
- See Also:
Collection.toArray(Object[])
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forEach
public void forEach(FloatConsumer action)
Description copied from interface:FloatIterable
Performs the given action for each element of this type-specificIterable
until all elements have been processed or the action throws an exception.- Parameters:
action
- the action to be performed for each element.- See Also:
Iterable.forEach(java.util.function.Consumer)
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containsAll
public boolean containsAll(FloatCollection c)
Description copied from interface:FloatCollection
Checks whether this collection contains all elements from the given type-specific collection.- Specified by:
containsAll
in interfaceFloatCollection
- Overrides:
containsAll
in classAbstractFloatCollection
- Parameters:
c
- a type-specific collection.- Returns:
true
if this collection contains all elements of the argument.- See Also:
Collection.containsAll(Collection)
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addAll
public boolean addAll(FloatCollection c)
Description copied from interface:FloatCollection
Adds all elements of the given type-specific collection to this collection.- Specified by:
addAll
in interfaceFloatCollection
- Overrides:
addAll
in classAbstractFloatCollection
- Parameters:
c
- a type-specific collection.- Returns:
true
if this collection changed as a result of the call.- See Also:
Collection.addAll(Collection)
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removeAll
public boolean removeAll(FloatCollection c)
Description copied from interface:FloatCollection
Remove from this collection all elements in the given type-specific collection.- Specified by:
removeAll
in interfaceFloatCollection
- Overrides:
removeAll
in classAbstractFloatCollection
- Parameters:
c
- a type-specific collection.- Returns:
true
if this collection changed as a result of the call.- See Also:
Collection.removeAll(Collection)
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retainAll
public boolean retainAll(FloatCollection c)
Description copied from interface:FloatCollection
Retains in this collection only elements from the given type-specific collection.- Specified by:
retainAll
in interfaceFloatCollection
- Overrides:
retainAll
in classAbstractFloatCollection
- Parameters:
c
- a type-specific collection.- Returns:
true
if this collection changed as a result of the call.- See Also:
Collection.retainAll(Collection)
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removeIf
public boolean removeIf(FloatPredicate filter)
Description copied from interface:FloatCollection
Remove from this collection all elements which satisfy the given predicate.- Parameters:
filter
- a predicate which returnstrue
for elements to be removed.- Returns:
true
if any elements were removed.- See Also:
Collection.removeIf(java.util.function.Predicate)
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doubleIterator
public DoubleIterator doubleIterator()
Description copied from interface:FloatCollection
Returns a widened primitive iterator on the elements of this collection.This method is provided for the purpose of APIs that expect only the JDK's primitive iterators, of which there are only
int
,long
, anddouble
.- Returns:
- a widened primitive iterator on the elements of this collection.
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doubleSpliterator
public DoubleSpliterator doubleSpliterator()
Description copied from interface:FloatCollection
Returns widened primitive spliterator on the elements of this collection.This method is provided for the purpose of APIs that expect only the JDK's primitive spliterators, of which there are only
int
,long
, anddouble
.- Returns:
- a widened primitive spliterator on the elements of this collection.
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