private static String join()

in maven-wrapper/src/main/java/org/apache/maven/wrapper/cli/CommandLineParser.java [213:229]


    private static String join(Collection<?> things, String separator) {
        StringBuffer buffer = new StringBuffer();
        boolean first = true;

        if (separator == null) {
            separator = "";
        }

        for (Object thing : things) {
            if (!first) {
                buffer.append(separator);
            }
            buffer.append(thing.toString());
            first = false;
        }
        return buffer.toString();
    }