package InputOutput;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;public class copyImage { public static void main(String[] args) { FileOutputStream fos = null; FileInputStream fis = null; try{ fos = new FileOutputStream("c:/2.jpg"); fis = new FileInputStream("c:/1.jpg"); byte[] buf = new byte[1024]; int len = 0; while((len = fis.read(buf)) != -1){ fos.write(buf,0,len); } fos.close(); fis.close(); }catch(IOException o){ throw new RuntimeException("复制文件失败!!!"); }finally{ try{ if(fis != null){ fis.close(); } }catch(IOException e){ new RuntimeException("读取文件失败"); } try{ if(fos != null) fos.close(); }catch(IOException e){ throw new RuntimeException("写入文件失败"); } } }}