| 
 
| import java.io.*; class CopyPic
 {
 public static void main(String[] args)
 {
 FileOutputStream fos=null;
 FileInputStream fis=null;
 try
 {
 fos=new FileOutputStream("d:\\copy_1.jpg");
 
 fis=new FileInputStream("d:\\1.jpg");
 
 byte[] buf=new byte[1024];
 int len=0;
 while((len=fis.read(buf))!=-1)
 {
 fos.write(buf,0,len);
 }
 }
 catch (Exception e)
 {
 throw  new RuntimeException("fuzhi shibai ");
 }
 finally
 {
 try
 {
 if(fis!=null)
 fis.close();
 }
 catch (Exception e)
 {
 throw new RuntimeException("duqu shibai ");
 }
 try
 {
 if(fos!=null)
 fos.close();
 }
 catch (Exception e)
 {
 throw new RuntimeException("xieru shibai ");
 }
 }
 }
 }
 
 
 请问我这个程序为什么编译正常 运行抛 fuzhishibai,查看d盘有个copy_1.jpg  但是0字节;我找了两遍没有找到问题的根源,大家帮下....谢谢
 
 
 
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