FileReader和BufferedReader的区别

1.FileReader不能一行行读

         FileReader fr = null;
         try {
             fr = new FileReader(new File(path));
             StringBuffer stringBuffer = new StringBuffer();
             int ch;
             while ((ch = fr.read()) != -1) {
                 stringBuffer.append(ch);
             }
             System.out.println(stringBuffer);
         } catch (Exception e) {
             e.printStackTrace();
         } finally {
             IOUtils.close(fr);//关闭流
         }

2.BufferedReader可以一行行地读

         BufferedReader br = null;
         try {
             br = new BufferedReader(new FileReader(new File(path)));
             StringBuffer stringBuffer = new StringBuffer();
             String line;
             while ((line = br.readLine()) != null) {
                 stringBuffer.append(line);
 　　　　　　　　　 }
             System.out.println(stringBuffer);
         } catch (Exception e) {
             e.printStackTrace();
         } finally {
             IOUtils.close(br);//关闭流
         }