Interface KeyComparator<K>

  • Type Parameters:
    K - Key's type
    All Superinterfaces:
    java.io.Serializable
    All Known Implementing Classes:
    StringIgnoreCaseKeyComparator

    public interface KeyComparator<K>
    extends java.io.Serializable
    A key comparator.
    • Method Detail

      • equals

        boolean equals​(K x,
                       K y)
        Compare two keys for equality.
        Parameters:
        x - the first key
        y - the second key
        Returns:
        true if the keys are equal.
      • hash

        int hash​(K k)
        Get the hash code of a key.
        Parameters:
        k - the key.
        Returns:
        the hash code of the key.