StringBuffer rtn = new StringBuffer();
StringBuilder rtn = new StringBuilder();
  public String toString() {    StringBuffer rtn = new StringBuffer();    rtn.append("\tName: " + _name);    rtn.append("\n\tType: 0x" + Integer.toHexString((int)_type.getValue()));    rtn.append("\n\tNumber: " + _columnNumber);    rtn.append("\n\tLength: " + _columnLength);    rtn.append("\n\tVariable length: " + _variableLength);    rtn.append("\n\tCompressed Unicode: " + _compressedUnicode);    rtn.append("\n\n");    return rtn.toString();  }