Integer.parseInt() and StringTokenizer

  private int getSize(String sizeString , int defaultSize) {
	try {
	  return(Integer.parseInt(sizeString)); 
	} catch (NumberFormatException nfe) {
	  return(defaultSize);
	}
  }

  private String makeList(String str){
	String resultList = "
\n";
	StringTokenizer List = new StringTokenizer(str, ",");
	while(List.hasMoreTokens()){
		resultList += "
" + List.nextToken() + "\n";
	}
	resultList += "
\n";
	return(resultList);
  }
  

getSize chuyen so format String -> integer
nakeList dung StringTokenizer, tuong tu voi Enumeration