Package it.unimi.dsi.fastutil.doubles

Class DoubleCollections.EmptyCollection

    • Method Detail

      • toArray

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

      • toArray

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

      • spliterator

        public DoubleSpliterator spliterator()
        Description copied from interface: DoubleCollection
        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.Double>
        Specified by:
        size in class java.util.AbstractCollection<java.lang.Double>

      • clear

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

      • hashCode

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

      • forEach

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

      • addAll

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

      • removeIf

        @Deprecated
public boolean removeIf​(java.util.function.Predicate<? super java.lang.Double> filter)
        Deprecated.
        Description copied from interface: DoubleCollection

      • toDoubleArray

        @Deprecated
public double[] toDoubleArray​(double[] a)
        Deprecated.
        Description copied from class: AbstractDoubleCollection
        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:
        toDoubleArray in interface DoubleCollection
        Overrides:
        toDoubleArray in class AbstractDoubleCollection
        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.DoubleConsumer action)
        Description copied from interface: DoubleIterable
        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​(DoubleCollection c)
        Description copied from interface: DoubleCollection
        Checks whether this collection contains all elements from the given type-specific collection.
        Specified by:
        containsAll in interface DoubleCollection
        Overrides:
        containsAll in class AbstractDoubleCollection
        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​(DoubleCollection c)
        Description copied from interface: DoubleCollection
        Adds all elements of the given type-specific collection to this collection.
        Specified by:
        addAll in interface DoubleCollection
        Overrides:
        addAll in class AbstractDoubleCollection
        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​(DoubleCollection c)
        Description copied from interface: DoubleCollection
        Remove from this collection all elements in the given type-specific collection.
        Specified by:
        removeAll in interface DoubleCollection
        Overrides:
        removeAll in class AbstractDoubleCollection
        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​(DoubleCollection c)
        Description copied from interface: DoubleCollection
        Retains in this collection only elements from the given type-specific collection.
        Specified by:
        retainAll in interface DoubleCollection
        Overrides:
        retainAll in class AbstractDoubleCollection
        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.DoublePredicate filter)
        Description copied from interface: DoubleCollection
        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)