java学习之文件字符流读取文件

package learn;import java.io.*;public class learn8 {/** * @param args * 读取文件 */public static void main(String[] args) throws IOException{ int b=0; String con;try{ FileReader a = new FileReader("D:/java/info.txt"); BufferedReader br =new BufferedReader(a);     while((con=br.readLine())!=null){  System.out.println(con);  b++;  }  System.out.println("总共读了："+b+"行");  br.close();  a.close();  }catch(IOException o ){  o.printStackTrace();}}}