package iterator;
 
import java.io.FileNotFoundException;
import java.util.Iterator;
import java.util.List;
 
public class Client {
	public final static String FILENAME = "file1.txt";
 
	static int mode;
 
	public static void main(String[] args) throws FileNotFoundException {
		if (args.length > 0) mode = Integer.valueOf(args[0]);
 
		List<String> fLines = Client.GetList();
 
		for (Iterator<String> iter = fLines.iterator(); iter.hasNext();) {
			String line = iter.next();
			System.out.println(line);
		}
	}
 
	public static List<String> GetList() throws FileNotFoundException {
		List<String> res = null;
		if (mode > 0) {
			res = new FileLineListOpt(FILENAME);
		} else {
			res = new FileLineList(FILENAME);
		}
		return res;
	}
 
}