讀到緩沖區，BufferedReader

public class IODemo {

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

  //建立一個讀取對象和檔案相關聯

FileReader fr=new FileReader("G:\\dd.txt");

         BufferedReader bufr=new BufferedReader(fr);

   //String s1=bufr.readLine();//一行一行讀

   String line=null;

   while((line=bufr.readLine())!=null){

   
 System.out.println(line);

   }

   bufr.close();


}

 }