GeradorDeSets

public class GeradorDeSets {
    public static void main(String[] args) {
        try {
            gerarArquivoSets(Operacao.class);
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        }
    }

    public static void gerarArquivoSets(Class<?> c) throws NoSuchFieldException{
        String path =
                "C:" + File.separator
                + "Users" + File.separator
                + "Carlos" + File.separator
                + "Desktop" + File.separator
                + "MetodosSet.txt";

        Method[] methods = c.getDeclaredMethods();
        List<String> srtMethods = new ArrayList<>();

        for (int i = 0; i < methods.length; i++) {
            Method method = methods[i];
            if (method.getReturnType().getName().equals("void") &&
                    method.getName().startsWith("set")){
                srtMethods.add(method.getName());
            }
        }
        String[] stockArr = new String[srtMethods.size()];
        stockArr = srtMethods.toArray(stockArr);

        Arrays.sort(stockArr);

        StringBuffer sb = new StringBuffer();

        for (int i = 0; i < stockArr.length; i++) {
            String str = stockArr[i];
            sb.append(str+"() \n");
        }

        try (Writer writer = new BufferedWriter(new OutputStreamWriter(
                new FileOutputStream(path), "utf-8"))) {

            writer.write(sb.toString());

        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}