interface applyBuisnessRule<T> {
    public T execute(String jobCode) throws Exception;
}

class CardvaletImpl<T> implements applyBuisnessRule<T> {
    private static final String Success = null;

    public T execute(String jobCode) throws Exception {
        T result = null;
         // put your logic
        return result;
    }
}

CardvaletImpl<String> cardvaletImpl = new CardvaletImpl<>();
String result = cardvaletImpl.execute("JOBCODE");

class CardvaletImpl<T> implements applyBuisnessRule<T> {
    private static final String Success = null;

    Map<String, Integer> myMap = new HashMap<String, Integer>(); // ****Map that i want to return from this class to caller class ***
    myMap.put("A",23);
    myMap.put("A",45);

    public T execute(String jobCode) throws Exception {
        T result = null;
         // ** advise how i will put the map into object that is into result and return to the caller

    }
}