FileOutputStream和FileInputStream

public class Filetest {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        File file = new File("word.txt");
        try {
            FileOutputStream out = new FileOutputStream(file);
            byte buy[] = "我是一只小毛驴，我从来也不骑。".getBytes();
            out.write(buy);
            out.close();
        } catch (Exception e) {
            // TODO: handle exception
            e.printStackTrace();
        }
        
        try {
            FileInputStream in = new FileInputStream(file);
            byte byt[] = new byte[1024];
            int len = in.read(byt);
            System.out.print(new String(byt,0,len));
            in.close();
        } catch (Exception e) {
            // TODO: handle exception
            e.printStackTrace();
        }
    }
}