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  • IO流,带缓冲区的流中的特殊方法:readLine()和newLine()方法。

    public class Demo4_Buffered(){

      public static void main(String[] args) throws IOException{

        BufferedReader br = new BufferedReader (new FileRead("xxx.txt"));

        String line;

        while((line = br.readLine()) != null){      //整行读取

          syso(line);

        }

        br.close();

      }

    }

    public class Demo5_Buffered(){

      public static void main(String[] args) throws IOException{

        BufferedReader br = new BufferedReader (new FileRead("xxx.txt"));

        BufferedWriter bw = new BufferedWriter (new FileWriter("aaa.txt"));

        String line;

        while((line = br.readLine()) != null){      //整行读取

          bw.writer(line);

          bw.newLine();   //写出回车换行符         和bw.write(" ");一个效果,但是newLine()是支持各种操作平台的

        }

        br.close();

        bw.close();

      }

    }

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  • 原文地址:https://www.cnblogs.com/wangffeng293/p/13179402.html
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