Class IntersectionResult


  • public class IntersectionResult
    extends Object
    Represents the intersection result between two sets.

    Stores the size of set A, set B and the intersection of A and B (|A ∩ B|).

    This class is immutable.

    Since:
    1.7
    See Also:
    Intersection
    • Constructor Detail

      • IntersectionResult

        public IntersectionResult​(int sizeA,
                                  int sizeB,
                                  int intersection)
        Create the results for an intersection between two sets.
        Parameters:
        sizeA - the size of set A (|A|)
        sizeB - the size of set B (|B|)
        intersection - the size of the intersection of A and B (|A ∩ B|)
        Throws:
        IllegalArgumentException - if the sizes are negative or the intersection is greater than the minimum of the two set sizes
    • Method Detail

      • getSizeA

        public int getSizeA()
        Get the size of set A.
        Returns:
        |A|
      • getSizeB

        public int getSizeB()
        Get the size of set B.
        Returns:
        |B|
      • getIntersection

        public int getIntersection()
        Get the size of the intersection between set A and B.
        Returns:
        |A ∩ B|
      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class Object