public int parse(String argv[]) throws IOException, HelpRequestedException {
  return parse(argv,false);
}

public int parse ( String argv [ ] ) throws IOException , HelpRequestedException { return parse ( argv , false ) ; }
parse a command line . calls down to handleoption ( ) and handleoptionwithargument ( ) methods . stops parsing when it reaches the end of the command line , or when a command line argument not starting with " - " is seen .
