public String toString(){
  StringBuilder sb=new StringBuilder();
  long time=startTime;
  for (int row=0; row < rows; row++, time+=step) {
    sb.append(time);
    sb.append(": ");
    for (int ds=0; ds < dsCount; ds++) {
      sb.append(data[row][ds]);
      sb.append(" ");
    }
    sb.append(NEWLINE);
  }
  return sb.toString();
}

public String toString ( ) { StringBuilder sb = new StringBuilder ( ) ; long time = startTime ; for ( int row = 0 ; row < rows ; row ++ , time += step ) { sb . append ( time ) ; sb . append ( ": " ) ; for ( int ds = 0 ; ds < dsCount ; ds ++ ) { sb . append ( data [ row ] [ ds ] ) ; sb . append ( " " ) ; } sb . append ( NEWLINE ) ; } return sb . toString ( ) ; }
returns a summary of the contents of this data chunk . the first column is the time ( rrd format ) and the following columns are the data source values .
