將 Set 依指定分割符號轉回字串

//將  Set<String> 依指定分割符號轉回字串

public static String stringSetToStringWithSplitChar(Set<String> stringSet, String splitChar) throws Exception {

    String returnString = "";

    for (String key : stringSet) {

        if (returnString.length() > 0)

            returnString = returnString + splitChar + key;

        else {

            returnString = key;

        }

    }

    return returnString;

}