Faster Copy Files

 
public static void copyFile(File sourceFile, File destFile) throws IOException 
{
  if (!destFile.exists()) 
  {
    destFile.createNewFile();
  }

  FileChannel source = null;
  FileChannel destination = null;
  try 
  {
    source = new FileInputStream(sourceFile).getChannel();
    destination = new FileOutputStream(destFile).getChannel();
    destination.transferFrom(source, 0, source.size());
  } 
  finally 
  {
    if (source != null) 
    {
      source.close();
    }
    if (destination != null) 
    {
      destination.close();
    }
  }
}
    

Link