Last Updated：2025/12/03
Sentence
Quizzes for review
Many developers prefer to use safe navigation operators when accessing nested objects to avoid null pointer exceptions.
See correct answer
Many developers prefer to use safe navigation operators when accessing nested objects to avoid null pointer exceptions.
音声機能が動作しない場合はこちらをご確認ください
Related words
safe navigation operators
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
