//Sample04_02.java

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.UnsupportedEncodingException;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;

class Sample04_02{
  public static void main(String[] args){

    String path = "hello.txt";
    File file = new File(path);
    ArrayList<String> list = null;

    try {
        BufferedReader br = new BufferedReader(
                      new InputStreamReader(
                          new FileInputStream(file), "UTF-8"
                      )
                  );

        list = new ArrayList<String>();
        String strLine;
        while((strLine = br.readLine()) != null) {

          list.add(strLine);
        }
        br.close();

    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e){
        e.printStackTrace();
    }
    if(list!=null){
        for(String str : list){
            System.out.println(str);
        }
    }else{
        System.out.println("null");
    }
  }

}