java IO 操作字节数组 ByteArrayStream

import java.io.*;public class Main {    public static void main(String[] args) throws IOException {        ByteArrayInputStream bis=new ByteArrayInputStream("神奇的我".getBytes());        ByteArrayOutputStream bos=new ByteArrayOutputStream();        int ch=0;        while((ch=bis.read())!=-1)        {            bos.write(ch);        }        System.out.println(bos.toString());    }}

运行结果: