public boolean equals(Object obj) {if (!(obj instanceof RowColKey)) {return false;}RowColKey other = (RowColKey) obj;return _rowIndex == other._rowIndex && _columnIndex == other._columnIndex;}

public override bool Equals(Object obj){RowColKey other = (RowColKey)obj;return _rowIndex == other._rowIndex && _columnIndex == other._columnIndex;}
