字节流读取数据

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

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

        FileInputStream fileInputStream = new FileInputStream("E:\\itcast\\javaee\\5929.txt");
        FileOutputStream fileOutputStream = new FileOutputStream("C:\\Users\\31339\\Desktop\\新建文件夹 (7)\\fileinput\\ithaeima");

        byte[] b = new byte[1024];
        int m;
        while ((m = fileInputStream.read(b)) != -1) {
            System.out.println(new String(b, 0, m));
        }


        fileOutputStream.close();
        fileInputStream.close();
    }
}