Package it.unimi.dsi.fastutil.ints

Class IntCollections.EmptyCollection

    • Method Summary

      All Methods Instance Methods Concrete Methods Deprecated Methods 
      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)
      void clear()  
      boolean contains​(int k)
      Returns true if this collection contains the specified element.
      boolean containsAll​(IntCollection c)
      Checks whether this collection contains all elements from the given type-specific collection.
      boolean containsAll​(java.util.Collection<?> c)
      boolean equals​(java.lang.Object o)  
      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.
      int hashCode()  
      IntBidirectionalIterator iterator()
      Returns a type-specific iterator on the elements of this collection.
      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 collection.
      java.lang.Object[] toArray()  
      <T> T[] toArray​(T[] array)  
      int[] toIntArray()
      Returns a primitive type array containing the items of this collection.
      int[] toIntArray​(int[] a)
      Deprecated.

      • Methods inherited from class java.util.AbstractCollection

        isEmpty

      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait

      • Methods inherited from interface java.util.Collection

        isEmpty, toArray

    • Method Detail

      • toArray

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

      • toArray

        public <T> T[] toArray​(T[] array)
        Specified by:
        toArray in interface java.util.Collection<java.lang.Integer>
        Overrides:
        toArray in class java.util.AbstractCollection<java.lang.Integer>

      • iterator

        public IntBidirectionalIterator 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 java.lang.Iterable<java.lang.Integer>
        Specified by:
        iterator in class AbstractIntCollection
        Returns:
        a type-specific iterator on the elements of this collection.
        See Also:
        Iterable.iterator()

      • spliterator

        public IntSpliterator spliterator()
        Description copied from interface: IntCollection
        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.

      • size

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

      • clear

        public void clear()
        Specified by:
        clear in interface java.util.Collection<java.lang.Integer>
        Overrides:
        clear in class java.util.AbstractCollection<java.lang.Integer>

      • hashCode

        public int hashCode()
        Specified by:
        hashCode in interface java.util.Collection<java.lang.Integer>
        Overrides:
        hashCode in class java.lang.Object

      • equals

        public boolean equals​(java.lang.Object o)
        Specified by:
        equals in interface java.util.Collection<java.lang.Integer>
        Overrides:
        equals in class java.lang.Object

      • forEach

        @Deprecated
public void forEach​(java.util.function.Consumer<? super java.lang.Integer> action)
        Deprecated.
        Description copied from interface: IntIterable

      • 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>
        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>
        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>
        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

      • 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()

      • toIntArray

        @Deprecated
public int[] toIntArray​(int[] a)
        Deprecated.
        Description copied from class: AbstractIntCollection
        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:
        toIntArray in interface IntCollection
        Overrides:
        toIntArray in class AbstractIntCollection
        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[])

      • 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.
        Parameters:
        action - the action to be performed for each element.
        See Also:
        Iterable.forEach(java.util.function.Consumer)

      • containsAll

        public boolean containsAll​(IntCollection c)
        Description copied from interface: IntCollection
        Checks whether this collection contains all elements from the given type-specific collection.
        Specified by:
        containsAll in interface IntCollection
        Overrides:
        containsAll in class AbstractIntCollection
        Parameters:
        c - a type-specific collection.
        Returns:
        true if this collection contains all elements of the argument.
        See Also:
        Collection.containsAll(Collection)

      • 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.
        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)