Module org.jhotdraw8.collection
Package org.jhotdraw8.collection.pair

Interface OrderedPair<U,V>

Type Parameters:
U - the type of the first element of the pair
V - the type of the second element of the pair
All Known Implementing Classes:
NonNullOrderedPair, SimpleOrderedPair
public interface OrderedPair<U,V>
An ordered pair.

This is a value-type.

Author:
Werner Randelshofer

  • Method Details

    • first

      U first()

    • second

      V second()

    • orderedPairEquals

      static <U, V> boolean orderedPairEquals(@NonNull OrderedPair<U,V> pair, @Nullable Object obj)
      Checks if a given ordered pair is equal to a given object.
      Type Parameters:
      U - the type of the first element of the pair
      V - the type of the second element of the pair
      Parameters:
      pair - an ordered pair
      obj - an object
      Returns:
      true if equal

    • orderedPairHashCode

      static <U, V> int orderedPairHashCode(@NonNull OrderedPair<U,V> pair)
      Computes a hash code for an ordered pair. The hash code is guaranteed to be non-zero.
      Type Parameters:
      U - the type of the first element of the pair
      V - the type of the second element of the pair
      Parameters:
      pair - an ordered pair
      Returns:
      the hash code