Class DoubleSets

java.lang.Object
it.unimi.dsi.fastutil.doubles.DoubleSets

public final class DoubleSets extends Object
A class providing static methods and objects that do useful things with type-specific sets.
See Also:
  • Field Details

    • EMPTY_SET

      public static final DoubleSets.EmptySet EMPTY_SET
      An empty set (immutable). It is serializable and cloneable.
  • Method Details

    • emptySet

      public static DoubleSet emptySet()
      Returns an empty set (immutable). It is serializable and cloneable.

      This method provides a typesafe access to EMPTY_SET.

      Returns:
      an empty set (immutable).
    • singleton

      public static DoubleSet singleton(double element)
      Returns a type-specific immutable set containing only the specified element. The returned set is serializable and cloneable.
      Parameters:
      element - the only element of the returned set.
      Returns:
      a type-specific immutable set containing just element.
    • singleton

      public static DoubleSet singleton(Double element)
      Returns a type-specific immutable set containing only the specified element. The returned set is serializable and cloneable.
      Parameters:
      element - the only element of the returned set.
      Returns:
      a type-specific immutable set containing just element.
    • synchronize

      public static DoubleSet synchronize(DoubleSet s)
      Returns a synchronized type-specific set backed by the given type-specific set.
      Parameters:
      s - the set to be wrapped in a synchronized set.
      Returns:
      a synchronized view of the specified set.
      See Also:
    • synchronize

      public static DoubleSet synchronize(DoubleSet s, Object sync)
      Returns a synchronized type-specific set backed by the given type-specific set, using an assigned object to synchronize.
      Parameters:
      s - the set to be wrapped in a synchronized set.
      sync - an object that will be used to synchronize the access to the set.
      Returns:
      a synchronized view of the specified set.
      See Also:
    • unmodifiable

      public static DoubleSet unmodifiable(DoubleSet s)
      Returns an unmodifiable type-specific set backed by the given type-specific set.
      Parameters:
      s - the set to be wrapped in an unmodifiable set.
      Returns:
      an unmodifiable view of the specified set.
      See Also: