读取流Demo

/** * Created by ZhangZhengyi on 2015/9/8. *读取流 * 方法: InputStream --> InputStreamReader --> BufferedReader -->readLine()方法 */public class StreamDemo {    public static void main(String[] args) throws Exception {        InputStream in = new FileInputStream("D://ceshi.txt");        InputStreamReader isr = new InputStreamReader(in);        BufferedReader bf = new BufferedReader(isr);        System.out.println(bf.readLine());    }}