package cn.jd.io;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;
//接下來看我修改什么
public class BufferedTest02 {
?? ??? ?public static void main(String[] args) {
?? ??? ??? ?File src=new File("1.txt");
?? ??? ??? ?//確定流
?? ??? ??? ?BufferedReader? reader=null;?? //因為我要使用緩沖流的新增方法所以不能父類引用子類對象了
?? ??? ??? ?try {
?? ??? ??? ??? ? reader=new BufferedReader(new FileReader(src));
?? ??? ??? ??? ? //這里我用緩沖流的新增方法直接讀取，不用轉(zhuǎn)換成字符串再讀取
?? ??? ??? ??? ? //原來字符串轉(zhuǎn)換成字符數(shù)組的原因是字符數(shù)組可以和ASCII碼匹配，方便計算機(jī)識別
?? ??? ??? ??? ? String line=null;
?? ??? ??? ??? ?while((line=reader.readLine())!=null) {??? //將字符讀到字符數(shù)組里面
?? ??? ??? ??? ?
?? ??? ??? ??? ??? ?System.out.println(line);?? //這里沒有用String也沒有報錯，但是最好要用
?? ??? ??? ??? ?}
?? ??? ??? ?} catch (FileNotFoundException e) {
?? ??? ??? ??? ?// TODO Auto-generated catch block
?? ??? ??? ??? ?e.printStackTrace();
?? ??? ??? ?} catch (IOException e) {
?? ??? ??? ??? ?// TODO Auto-generated catch block
?? ??? ??? ??? ?e.printStackTrace();
?? ??? ??? ?}finally {
?? ??? ??? ??? ?try {
?? ??? ??? ??? ??? ?if(reader!=null) {
?? ??? ??? ??? ??? ??? ?reader.close();
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ?} catch (IOException e) {
?? ??? ??? ??? ??? ?// TODO Auto-generated catch block
?? ??? ??? ??? ??? ?e.printStackTrace();
?? ??? ??? ??? ?}
?? ??? ??? ?}
?? ??? ?}
}