Enthuware

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    public static void copy(String records1, String records2) throws IOException {
        try (InputStream is = new FileInputStream(records1); 
              OutputStream os = new FileOutputStream(records2);) {
            byte[] buffer = new byte[1024];
            int bytesRead = 0;
            while ((bytesRead = is.read(buffer)) != -1) {
                os.write(buffer, 0, bytesRead);
            }
        } catch (FileNotFoundException | java.io.InvalidClassException e) {
            e.printStackTrace();
        }
    }