读取txt文档

import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.parser.PdfTextExtractor;

import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;


public class TxtUtils {


  
  public static List extractTXTbyLine(String file) {
    List listArr = new ArrayList();
    try {
      FileInputStream fin = new FileInputStream(file);
      InputStreamReader reader = new InputStreamReader(fin);
      BufferedReader buffReader = new BufferedReader(reader);
      String strTmp = "";
      while((strTmp = buffReader.readLine())!=null){
        listArr.add(strTmp);
      }
    } catch (IOException ex) {
      Logger.getLogger(TxtUtils.class.getName()).log(Level.SEVERE, null, ex);
    }
    return listArr;
  }


  public static void main(String args[]) {
    String savePath = "F:\文档\result2.txt";
    long startTime = System.currentTimeMillis();
    List strings = extractTXTbyLine(savePath);
    for (String s : strings) {
      System.out.println(s);
    }
    long endTime = System.currentTimeMillis();
    System.out.println("读写所用时间为：" + (endTime - startTime) + "ms");
  }
}