int findDelete(
    int              lower,
    int              upper,
    Object           delKey)
  {
    int nkeys = numKeys(lower, upper);
    int idx = -1;
    if (nkeys < 4)
      idx = sequentialFindDelete(lower, upper, delKey);
    else
      idx = binaryFindDelete(lower, upper, delKey);
    return idx;
  }
int findDelete ( int lower , int upper , Object delKey ) { int nkeys = numKeys ( lower , upper ) ; int idx = - 1 ; if ( nkeys < 4 ) idx = sequentialFindDelete ( lower , upper , delKey ) ; else idx = binaryFindDelete ( lower , upper , delKey ) ; return idx ; }
Find the index of the key to delete.

@param delKey The key to delete.

@return Index of key within node.  -1 if key does not exist.