code: public static void copyStream( File inputFile, File outputFile ) throws IOException {
  		InputStream is = new FileInputStream( inputFile );
  		try {
  			copyStream( is, outputFile );
  		} finally {
  			is.close();
  		}
  	}
docs: Copies the content from inputFile into outputFile.
  
  @param inputFile an input file (must be a file and exist)
  @param outputFile will be created if it does not exist
  @throws IOException if something went wrong