public class BinaryOperation { public static void main(String args[]){ FileInputStream fis = null; FileOutputStream fos = null; try { fis = new FileInputStream("d:/图片/chenhl.jpg"); byte[] b = new byte[128]; fos = new FileOutputStream("d:/图片/chenhl 复件.jpg"); while(fis.read(b)!=-1){ fos.write(b); } } catch (Exception e) { e.printStackTrace(); }finally{ try{ if(fis!=null) fis.close(); if(fos!=null) fos.close(); }catch(Exception e){ e.printStackTrace(); } } }}