class Multiple4NumberValidator implements Validator<String> {

    @Override
    public void validate(Problems problems, String compName, String model) {<FILL_FUNCTION_BODY>}

    @Override
    public Class<String> modelType() {
        return String.class;
    }
}

        boolean result = false;
        try {
            Integer i = Integer.parseInt(model);
            result = i > 0 && i % 4 == 0;
        } catch (Exception e) {
        }
        if (!result) {
            String message = NbBundle.getMessage(Multiple4NumberValidator.class,
                "Multiple4NumberValidator_NOT_MULTIPLE", compName);
            problems.add(message);
        }
    
<no_super_class>