public static String doubleArrayToString(double[] value){
  if (value == null) {
    return ("null");
  }
  if (value.length == 0) {
    return ("");
  }
  StringBuilder sb=new StringBuilder();
  sb.append(value[0]);
  for (int i=1; i < value.length; ++i) {
    sb.append("," + value[i]);
  }
  return (sb.toString());
}

public static String doubleArrayToString ( double [ ] value ) { if ( value == null ) { return ( "null" ) ; } if ( value . length == 0 ) { return ( "" ) ; } StringBuilder sb = new StringBuilder ( ) ; sb . append ( value [ 0 ] ) ; for ( int i = 1 ; i < value . length ; ++ i ) { sb . append ( "," + value [ i ] ) ; } return ( sb . toString ( ) ) ; }
convert a double array to a comma separated value string
