Java enum variables cannot be defined repeatedly in cases?

Question

I need to assign a value to a variable based on the string content, but the variable type is different. I am now

        switch (weatherENUM){
            case weather:
               List<CoviData> data =  weathreService.getCoviData(reportType);
                break;
            case COVI:
                List<helloData> data =  weathreService.gethelloData(reportType);
        }

Idea reported an error and repeated the definition. But this is an enumeration and will not be repeated. How do I accomplish my goal?

Answer 1

CoviData and HelloData can inherit the parent class Data at the same time, and use qualified type wildcards to declare objects.
List<? extends Data> data. Remember to declare it outside of switch.