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public boolean copy(String from, String to) {
  boolean temp=true;
  FileInputStream stream;
  try {
   stream = new FileInputStream(new File(from));
   FileOutputStream bos = new FileOutputStream(to);
   int bytesRead = 0;
   byte[] buffer = new byte[1024];//8192
   while ((bytesRead = stream.read(buffer, 0, 1024)) != -1) {
    bos.write(buffer, 0, bytesRead);
   }
   bos.close();
   stream.close();
  } catch (FileNotFoundException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
   temp=false;
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
   temp=false;
  }
  return temp;
}
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