IO流之文件的读取

package com.qiang.IO4;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

public class BufferedReadTest {
    public static void main(String[] args) {
        input();
    }
    public static  void  input(){

        FileReader fileReader =null;
        BufferedReader bufferedReader = null;


        try {
            fileReader = new FileReader("D:/Ideal wrok space/aa.txt");
            bufferedReader = new BufferedReader(fileReader);

            String str = "";
            //readLine读取流中的一整行内容返回一个字符串，如果读取到文件的尾部则返回null表示没有数据刻可读
            while ((str = bufferedReader.readLine())!= null){
                System.out.println(str);
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
        }
    }
}