public String dump(){
  StringBuilder buffer=new StringBuilder();
  for (int row=0; row < getRowCount(); row++) {
    buffer.append(timestamps[row]);
    buffer.append(":  ");
    for (int dsIndex=0; dsIndex < getColumnCount(); dsIndex++) {
      buffer.append(Util.formatDouble(values[dsIndex][row],true));
      buffer.append("  ");
    }
    buffer.append("\n");
  }
  return buffer.toString();
}

public String dump ( ) { StringBuilder buffer = new StringBuilder ( ) ; for ( int row = 0 ; row < getRowCount ( ) ; row ++ ) { buffer . append ( timestamps [ row ] ) ; buffer . append ( ":  " ) ; for ( int dsIndex = 0 ; dsIndex < getColumnCount ( ) ; dsIndex ++ ) { buffer . append ( Util . formatDouble ( values [ dsIndex ] [ row ] , true ) ) ; buffer . append ( "  " ) ; } buffer . append ( "\n" ) ; } return buffer . toString ( ) ; }
dumps the content of the whole fetchdata object . useful for debugging .
