import java.io.BufferedReader;
import java.io.FileReader;/*
字符缓冲输入流,高效读取整行数据*/
public class Writer {public static void main(String[] args) {try (BufferedReader br = new BufferedReader(new FileReader("IoFile\\a.txt"))) {String line;while ((line = br.readLine()) != null) {System.out.println(line);}} catch (Exception e) {}}}