Java read File

import java.io.*;
public class ReadFile{
    public static void main(String[] args) throws Exception {
        File f = new File("C:/numbers.txt");
            FileReader fr = new FileReader(f);
            BufferedReader reader = new BufferedReader(fr);
            String st = "";
            while ((st = reader.readLine()) != null) {
            System.out.println(st);
            }
        }
    }