Package it.unimi.dsi.fastutil.ints

Class IntSets.Singleton

java.lang.Object
java.util.AbstractCollection<java.lang.Integer>
it.unimi.dsi.fastutil.ints.AbstractIntCollection
it.unimi.dsi.fastutil.ints.AbstractIntSet
it.unimi.dsi.fastutil.ints.IntSets.Singleton
All Implemented Interfaces:
IntCollection, IntIterable, IntSet, java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<java.lang.Integer>, java.util.Collection<java.lang.Integer>, java.util.Set<java.lang.Integer>
Direct Known Subclasses:
IntSortedSets.Singleton
Enclosing class:
IntSets
public static class IntSets.Singleton
extends AbstractIntSet
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​(IntCollection c)
    Adds all elements of the given type-specific collection to this collection.
    boolean addAll​(java.util.Collection<? extends java.lang.Integer> c)
    java.lang.Object clone()  
    boolean contains​(int k)
    Returns true if this collection contains the specified element.
    void forEach​(java.util.function.Consumer<? super java.lang.Integer> action)
    Deprecated.
    void forEach​(java.util.function.IntConsumer action)
    Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.
    IntListIterator iterator()
    Returns a type-specific iterator on the elements of this collection.
    boolean remove​(int k)
    Removes an element from this set.
    boolean removeAll​(IntCollection c)
    Remove from this collection all elements in the given type-specific collection.
    boolean removeAll​(java.util.Collection<?> c)
    boolean removeIf​(java.util.function.IntPredicate filter)
    Remove from this collection all elements which satisfy the given predicate.
    boolean removeIf​(java.util.function.Predicate<? super java.lang.Integer> filter)
    Deprecated.
    boolean retainAll​(IntCollection c)
    Retains in this collection only elements from the given type-specific collection.
    boolean retainAll​(java.util.Collection<?> c)
    int size()  
    IntSpliterator spliterator()
    Returns a type-specific spliterator on the elements of this set.
    java.lang.Object[] toArray()
    Deprecated.
    int[] toIntArray()
    Returns a primitive type array containing the items of this collection.

    Methods inherited from class it.unimi.dsi.fastutil.ints.AbstractIntSet

    equals, hashCode, rem

    Methods inherited from class it.unimi.dsi.fastutil.ints.AbstractIntCollection

    add, add, contains, containsAll, containsAll, forEach, remove, removeIf, toArray, toIntArray, 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.ints.IntCollection

    add, containsAll, intIterator, intParallelStream, intSpliterator, intStream, parallelStream, removeIf, stream, toArray, toIntArray

    Methods inherited from interface it.unimi.dsi.fastutil.ints.IntIterable

    forEach

    Methods inherited from interface it.unimi.dsi.fastutil.ints.IntSet

    add, contains, remove

    Methods inherited from interface java.util.Set

    clear, containsAll, isEmpty, toArray

  • Method Details

    • contains

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

    • remove

      public boolean remove​(int k)
      Description copied from class: AbstractIntSet
      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 IntSet
      Overrides:
      remove in class AbstractIntSet
      See Also:
      Collection.remove(Object)

    • iterator

      public IntListIterator iterator()
      Description copied from interface: IntCollection
      Returns a type-specific iterator on the elements of this collection.
      Specified by:
      iterator in interface java.util.Collection<java.lang.Integer>
      Specified by:
      iterator in interface IntCollection
      Specified by:
      iterator in interface IntIterable
      Specified by:
      iterator in interface IntSet
      Specified by:
      iterator in interface java.lang.Iterable<java.lang.Integer>
      Specified by:
      iterator in interface java.util.Set<java.lang.Integer>
      Specified by:
      iterator in class AbstractIntSet
      Returns:
      a type-specific iterator on the elements of this collection.
      See Also:
      Iterable.iterator()

    • spliterator

      public IntSpliterator spliterator()
      Description copied from interface: IntSet
      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.Integer>
      Specified by:
      spliterator in interface IntCollection
      Specified by:
      spliterator in interface IntIterable
      Specified by:
      spliterator in interface IntSet
      Specified by:
      spliterator in interface java.lang.Iterable<java.lang.Integer>
      Specified by:
      spliterator in interface java.util.Set<java.lang.Integer>
      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.Integer>
      Specified by:
      size in interface java.util.Set<java.lang.Integer>
      Specified by:
      size in class java.util.AbstractCollection<java.lang.Integer>

    • toIntArray

      public int[] toIntArray()
      Description copied from interface: IntCollection
      Returns a primitive type array containing the items of this collection.
      Specified by:
      toIntArray in interface IntCollection
      Overrides:
      toIntArray in class AbstractIntCollection
      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.Integer> action)
      Deprecated.
      Description copied from interface: IntIterable
      Specified by:
      forEach in interface IntIterable
      Specified by:
      forEach in interface java.lang.Iterable<java.lang.Integer>

    • addAll

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

    • removeAll

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

    • retainAll

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

    • removeIf

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

    • forEach

      public void forEach​(java.util.function.IntConsumer action)
      Description copied from interface: IntIterable
      Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.
      Specified by:
      forEach in interface IntIterable
      Parameters:
      action - the action to be performed for each element.
      See Also:
      Iterable.forEach(java.util.function.Consumer)

    • addAll

      public boolean addAll​(IntCollection c)
      Description copied from interface: IntCollection
      Adds all elements of the given type-specific collection to this collection.
      Specified by:
      addAll in interface IntCollection
      Overrides:
      addAll in class AbstractIntCollection
      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​(IntCollection c)
      Description copied from interface: IntCollection
      Remove from this collection all elements in the given type-specific collection.
      Specified by:
      removeAll in interface IntCollection
      Overrides:
      removeAll in class AbstractIntCollection
      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​(IntCollection c)
      Description copied from interface: IntCollection
      Retains in this collection only elements from the given type-specific collection.
      Specified by:
      retainAll in interface IntCollection
      Overrides:
      retainAll in class AbstractIntCollection
      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​(java.util.function.IntPredicate filter)
      Description copied from interface: IntCollection
      Remove from this collection all elements which satisfy the given predicate.
      Specified by:
      removeIf in interface IntCollection
      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)

    • toArray

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

    • clone

      public java.lang.Object clone()