public void readCustList() throws IOException { BufferedReader is = new BufferedReader(new FileReader("custlist.txt"));
public void readCustList(String fileName) throws IOException { BufferedReader is = new BufferedReader(new FileReader(fileName));
	public void readCustList() throws IOException {		BufferedReader is = new BufferedReader(new FileReader("custlist.txt"));		String line;		while ((line = is.readLine()) != null) {			custList.add(line);		}		is.close();	}