Package it.unimi.dsi.fastutil.floats

Class FloatSets.Singleton

java.lang.Object
java.util.AbstractCollection<java.lang.Float>
it.unimi.dsi.fastutil.floats.AbstractFloatCollection
it.unimi.dsi.fastutil.floats.AbstractFloatSet
it.unimi.dsi.fastutil.floats.FloatSets.Singleton
All Implemented Interfaces:
FloatCollection, it.unimi.dsi.fastutil.floats.FloatIterable, FloatSet, java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<java.lang.Float>, java.util.Collection<java.lang.Float>, java.util.Set<java.lang.Float>
Direct Known Subclasses:
FloatSortedSets.Singleton
Enclosing class:
FloatSets
public static class FloatSets.Singleton
extends AbstractFloatSet
implements java.io.Serializable, java.lang.Cloneable
An immutable class representing a type-specific singleton set.

This class may be useful to implement your own in case you subclass a type-specific set.

See Also:
Serialized Form

  • Method Summary

    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)
    java.lang.Object clone()  
    boolean contains​(float k)
    Returns true if this collection contains the specified element.
    it.unimi.dsi.fastutil.doubles.DoubleIterator doubleIterator()
    Returns a widened primitive iterator on the elements of this collection.
    it.unimi.dsi.fastutil.doubles.DoubleSpliterator doubleSpliterator()
    Returns widened primitive spliterator on the elements of this collection.
    void forEach​(FloatConsumer action)  
    void forEach​(java.util.function.Consumer<? super java.lang.Float> action)
    Deprecated.
    FloatListIterator iterator()
    Returns a type-specific iterator on the elements of this collection.
    boolean remove​(float k)
    Removes an element from this set.
    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()  
    it.unimi.dsi.fastutil.floats.FloatSpliterator spliterator()
    Returns a type-specific spliterator on the elements of this set.
    java.lang.Object[] toArray()
    Deprecated.
    float[] toFloatArray()
    Returns a primitive type array containing the items of this collection.

    Methods inherited from class it.unimi.dsi.fastutil.floats.AbstractFloatSet

    equals, hashCode, rem

    Methods inherited from class it.unimi.dsi.fastutil.floats.AbstractFloatCollection

    add, add, contains, containsAll, containsAll, remove, toArray, toFloatArray, toString

    Methods inherited from class java.util.AbstractCollection

    clear, isEmpty, toArray

    Methods inherited from class java.lang.Object

    getClass, notify, notifyAll, wait, wait, wait

    Methods inherited from interface java.util.Collection

    toArray

    Methods inherited from interface it.unimi.dsi.fastutil.floats.FloatCollection

    add, containsAll, doubleParallelStream, doubleStream, parallelStream, removeIf, stream, toArray, toFloatArray

    Methods inherited from interface it.unimi.dsi.fastutil.floats.FloatIterable

    forEach

    Methods inherited from interface it.unimi.dsi.fastutil.floats.FloatSet

    add, contains, remove

    Methods inherited from interface java.util.Set

    clear, containsAll, isEmpty, toArray

  • Method Details

    • contains

      public boolean contains​(float k)
      Description copied from class: AbstractFloatCollection
      Returns true if this collection contains the specified element.
      Specified by:
      contains in interface FloatCollection
      Overrides:
      contains in class AbstractFloatCollection
      See Also:
      Collection.contains(Object)

    • remove

      public boolean remove​(float k)
      Description copied from class: AbstractFloatSet
      Removes an element from this set. Delegates to the type-specific rem() method implemented by type-specific abstract Collection superclass.
      Specified by:
      remove in interface FloatSet
      Overrides:
      remove in class AbstractFloatSet
      See Also:
      Collection.remove(Object)

    • iterator

      public FloatListIterator iterator()
      Description copied from interface: FloatCollection
      Returns a type-specific iterator on the elements of this collection.
      Specified by:
      iterator in interface java.util.Collection<java.lang.Float>
      Specified by:
      iterator in interface FloatCollection
      Specified by:
      iterator in interface it.unimi.dsi.fastutil.floats.FloatIterable
      Specified by:
      iterator in interface FloatSet
      Specified by:
      iterator in interface java.lang.Iterable<java.lang.Float>
      Specified by:
      iterator in interface java.util.Set<java.lang.Float>
      Specified by:
      iterator in class AbstractFloatSet
      Returns:
      a type-specific iterator on the elements of this collection.

    • spliterator

      public it.unimi.dsi.fastutil.floats.FloatSpliterator spliterator()
      Description copied from interface: FloatSet
      Returns a type-specific spliterator on the elements of this set.

      Set spliterators must report at least Spliterator.DISTINCT.

      See Set.spliterator() for more documentation on the requirements of the returned spliterator.

      Specified by:
      spliterator in interface java.util.Collection<java.lang.Float>
      Specified by:
      spliterator in interface FloatCollection
      Specified by:
      spliterator in interface it.unimi.dsi.fastutil.floats.FloatIterable
      Specified by:
      spliterator in interface FloatSet
      Specified by:
      spliterator in interface java.lang.Iterable<java.lang.Float>
      Specified by:
      spliterator in interface java.util.Set<java.lang.Float>
      Returns:
      a type-specific spliterator on the elements of this collection.

    • size

      public int size()
      Specified by:
      size in interface java.util.Collection<java.lang.Float>
      Specified by:
      size in interface java.util.Set<java.lang.Float>
      Specified by:
      size in class java.util.AbstractCollection<java.lang.Float>

    • toFloatArray

      public float[] toFloatArray()
      Description copied from interface: FloatCollection
      Returns a primitive type array containing the items of this collection.
      Specified by:
      toFloatArray in interface FloatCollection
      Overrides:
      toFloatArray in class AbstractFloatCollection
      Returns:
      a primitive type array containing the items of this collection.
      See Also:
      Collection.toArray()

    • forEach

      @Deprecated public void forEach​(java.util.function.Consumer<? super java.lang.Float> action)
      Deprecated.
      Specified by:
      forEach in interface it.unimi.dsi.fastutil.floats.FloatIterable
      Specified by:
      forEach in interface java.lang.Iterable<java.lang.Float>

    • addAll

      public boolean addAll​(java.util.Collection<? extends java.lang.Float> c)
      Description copied from class: AbstractFloatCollection
      Specified by:
      addAll in interface java.util.Collection<java.lang.Float>
      Specified by:
      addAll in interface java.util.Set<java.lang.Float>
      Overrides:
      addAll in class AbstractFloatCollection

    • removeAll

      public boolean removeAll​(java.util.Collection<?> c)
      Description copied from class: AbstractFloatCollection
      Specified by:
      removeAll in interface java.util.Collection<java.lang.Float>
      Specified by:
      removeAll in interface java.util.Set<java.lang.Float>
      Overrides:
      removeAll in class AbstractFloatCollection

    • retainAll

      public boolean retainAll​(java.util.Collection<?> c)
      Description copied from class: AbstractFloatCollection
      Specified by:
      retainAll in interface java.util.Collection<java.lang.Float>
      Specified by:
      retainAll in interface java.util.Set<java.lang.Float>
      Overrides:
      retainAll in class AbstractFloatCollection

    • removeIf

      @Deprecated public boolean removeIf​(java.util.function.Predicate<? super java.lang.Float> filter)
      Deprecated.
      Description copied from interface: FloatCollection
      Specified by:
      removeIf in interface java.util.Collection<java.lang.Float>
      Specified by:
      removeIf in interface FloatCollection

    • forEach

      public void forEach​(FloatConsumer action)
      Specified by:
      forEach in interface it.unimi.dsi.fastutil.floats.FloatIterable

    • 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 interface FloatCollection
      Overrides:
      addAll in class AbstractFloatCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection changed as a result of the call.
      See Also:
      Collection.addAll(Collection)

    • 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 interface FloatCollection
      Overrides:
      removeAll in class AbstractFloatCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection changed as a result of the call.
      See Also:
      Collection.removeAll(Collection)

    • 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 interface FloatCollection
      Overrides:
      retainAll in class AbstractFloatCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection changed as a result of the call.
      See Also:
      Collection.retainAll(Collection)

    • removeIf

      public boolean removeIf​(FloatPredicate filter)
      Description copied from interface: FloatCollection
      Remove from this collection all elements which satisfy the given predicate.
      Specified by:
      removeIf in interface FloatCollection
      Parameters:
      filter - a predicate which returns true for elements to be removed.
      Returns:
      true if any elements were removed.
      See Also:
      Collection.removeIf(java.util.function.Predicate)

    • doubleIterator

      public it.unimi.dsi.fastutil.doubles.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, and double.

      Specified by:
      doubleIterator in interface FloatCollection
      Specified by:
      doubleIterator in interface it.unimi.dsi.fastutil.floats.FloatIterable
      Returns:
      a widened primitive iterator on the elements of this collection.

    • doubleSpliterator

      public it.unimi.dsi.fastutil.doubles.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, and double.

      Specified by:
      doubleSpliterator in interface FloatCollection
      Specified by:
      doubleSpliterator in interface it.unimi.dsi.fastutil.floats.FloatIterable
      Returns:
      a widened primitive spliterator on the elements of this collection.

    • toArray

      @Deprecated public java.lang.Object[] toArray()
      Deprecated.
      Specified by:
      toArray in interface java.util.Collection<java.lang.Float>
      Specified by:
      toArray in interface java.util.Set<java.lang.Float>
      Overrides:
      toArray in class java.util.AbstractCollection<java.lang.Float>

    • clone

      public java.lang.Object clone()