static public String randomPositiveWhole(int length){
  if (length == 0) {
    return "";
  }
  StringBuilder output=new StringBuilder(length);
  output.append(rnd.nextInt(8) + 1);
  for (int i=0; i < length - 1; i++) {
    output.append(rnd.nextInt(9));
  }
  return output.toString();
}

static public String randomPositiveWhole ( int length ) { if ( length == 0 ) { return "" ; } StringBuilder output = new StringBuilder ( length ) ; output . append ( rnd . nextInt ( 8 ) + 1 ) ; for ( int i = 0 ; i < length - 1 ; i ++ ) { output . append ( rnd . nextInt ( 9 ) ) ; } return output . toString ( ) ; }
get a random , positive whole number
