refactor: use Java 16 syntax for lists

Author: codescape

docs/changelog.md

@@ -15,6 +15,7 @@ category: Administration
 * feat: ensure compatibility with Jira 10.3.0
 * refactor: improve structure of subtask creation service
 * feat: ensure compatibility with Jira 10.4.0
+* refactor: use Java 16 syntax for lists
 
 ### [24.11.0] - 2024-11-11
 

src/main/java/de/codescape/jira/plugins/multiplesubtasks/model/Subtask.java

@@ -262,7 +262,7 @@ private Map<String, List<String>> extractCustomFieldsById(ArrayListMultimap<Stri
         // get all custom field keys
         List<String> customFieldKeys = attributes.keySet().stream()
             .filter(s -> CUSTOM_FIELD_ID_PATTERN.matcher(s).matches())
-            .collect(Collectors.toList());
+            .toList();
         // collect all keys and values into a map
         Map<String, List<String>> customFields = new HashMap<>();
         customFieldKeys.forEach(s -> customFields.put(s, new ArrayList<>(attributes.get(s))));
@@ -273,7 +273,7 @@ private Map<String, List<String>> extractCustomFieldsByName(ArrayListMultimap<St
         // get all custom field keys
         List<String> customFieldKeys = attributes.keySet().stream()
             .filter(s -> CUSTOM_FIELD_NAME_PATTERN.matcher(s).matches())
-            .collect(Collectors.toList());
+            .toList();
         // collect all keys and values into a map
         Map<String, List<String>> customFields = new HashMap<>();
         customFieldKeys.forEach(key -> customFields.put(extractCustomFieldName(key), new ArrayList<>(attributes.get(key))));