public enum tabs
{
    A("Actual data"),
    B("Bad data"),
    C("Can data"),
    D("Direct data");

    private String description;
    tabs(String desc)
    {
        this.description = desc;
    }


    public String getDescription()
    {
        return this.description;
    }
}

tabs.A.description

public static String[] getActualTabs(Class<? extends Enum<?>> e)
{
    return Arrays.stream(e.getEnumConstants()).map(Enum::name).toArray(String[]::new);
}

public static <T> String[] getActualTabs(Class<T> e, Function<? super T, String> mapper)
{
    return Arrays.stream(e.getEnumConstants()).map(mapper).toArray(String[]::new);
}

System.out.println(Arrays.toString(getActualTabs(tabs.class, (tabs.class,tabs::getDescription)));

[Actual data, Bad data, Can data, Direct data]

public interface HasDescription {
    String getDescription();
}

public static String[] getActualTabs(Class<? extends Enum<?> & HasDescription> e) {
    return Arrays.stream(e.getEnumConstants())
                 .map(HasDescription::getDescription)
                 .toArray(String[]::new);
}