public static String join()

in src/main/java/com/aliyun/tea/utils/StringUtils.java [18:30]


    public static String join(String delimiter, Iterable<? extends String> elements) {
        Objects.requireNonNull(delimiter);
        Objects.requireNonNull(elements);
        StringBuilder stringBuilder = new StringBuilder();
        for (String value : elements) {
            stringBuilder.append(value);
            stringBuilder.append(delimiter);
        }
        if (stringBuilder.length() > 0) {
            stringBuilder.deleteCharAt(stringBuilder.length() - 1);
        }
        return stringBuilder.toString();
    }