JavaOOP IO 字节流

package cn.hello.io;/** * 字节流 读取 */import java.io.FileInputStream;import java.io.FileNotFoundException;public class Test2 {public static void main(String[] args) throws Exception {FileInputStream fis=new FileInputStream("e:/s2226.txt");byte[] bytes=new byte[1024];int data ;while ((data = fis.read(bytes))!=-1) {String str=new String(bytes,0,data);System.out.println(str);//data = fis.read(bytes);}fis.close();}}