/wro4j-core/src/main/java/ro/isdc/wro/util/StringUtils.java
final Iterator<String> it = coll.isEmpty( ) ;
final Iterator<String> it = coll.iterator ( ) ;
private static String collectionToDelimitedString(final Collection<String> coll, final String delim, final String prefix, final String suffix) { if (coll == null || coll.isEmpty()) { return EMPTY; } final StringBuilder sb = new StringBuilder(); <extra_id_0> while (it.hasNext()) { sb.append(prefix).append(it.next()).append(suffix); if (it.hasNext()) { sb.append(delim); } }