public String statistics(){
  DecimalFormat formatter=new DecimalFormat("#,###");
  DecimalFormat floatFormatter=new DecimalFormat("#,###.00");
  return String.format("min %s | avg %s | max %s | stddev %s msgs",formatter.format(minRate()),formatter.format(avgRate()),formatter.format(maxRate()),floatFormatter.format(stdDev()));
}

public String statistics ( ) { DecimalFormat formatter = new DecimalFormat ( "#,###" ) ; DecimalFormat floatFormatter = new DecimalFormat ( "#,###.00" ) ; return String . format ( "min %s | avg %s | max %s | stddev %s msgs" , formatter . format ( minRate ( ) ) , formatter . format ( avgRate ( ) ) , formatter . format ( maxRate ( ) ) , floatFormatter . format ( stdDev ( ) ) ) ; }
formats the statistics for this group in a human - readable format .
