java读取文件

public void test() throws Exception {

String path ="D:\\a.txt"; //文件路径

FileInputStream in = new FileInputStream(path);

  BufferedReader br = new BufferedReader(new InputStreamReader(in, "UTF-8")); //"UTF-8":编码格式可以不写

String line = br.readLine();
while(line != null) {

System.out.println(line);

line = br.readLine();

}

br.close();

  in.close();

}