<dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-collections4</artifactId> <version>4.4</version> </dependency> import org.apache.commons.collections4.CollectionUtils; ... List<String> dynamicList = new ArrayList<>(); boolean isEmpty = CollectionUtils.isEmpty(dynamicList); for (String element : dynamicList) { System.out.println(element); } dynamicList.clear();