원문 : What is new in Java 6.0 Collections API? [http://www.javabeat.net/javabeat/java6/articles/what_is_new_in_java_6_0_collections_api.php] 번역 : Java 6.0 컬렉션 API에 어떤 변화가 있는가? [http://network.hanb.co.kr/view.php?bi_id=1348]