Method join

core/java/android/text/TextUtils.java:278–281

Returns list of multiple CharSequence joined into a single CharSequence separated by localized delimiter such as ", ". @hide

(Iterable<CharSequence> list)

     * @hide
     */
    public static CharSequence join(Iterable<CharSequence> list) {
        final CharSequence delimiter = Resources.getSystem().getText(R.string.list_delimeter);
        return join(delimiter, list);
    }

    /**
     * Returns a string containing the tokens joined by delimiters.