ByteArrayInputStreamとByteArrayOutputStream_オペレーション配列のストリーム

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;



public class Test {

    public static void main(String[] args) throws IOException {

        ByteArrayInputStream bis = new ByteArrayInputStream("abcedf".getBytes());

        

        ByteArrayOutputStream bos = new ByteArrayOutputStream();

        

        int ch = 0;

        

        while((ch=bis.read())!=-1){

            bos.write(ch);

        }

        

        System.out.println(bos.toString());

    }

}