[SPARK-39056] Use `Collections.singletonList` instead of `Arrays.asList` when there is only one argument

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: 3.4.0
• Component/s: Spark Core, SQL
• Assignee: Unassigned
• Reporter: Yang Jie
• Created: 28/Apr/22 10:07
• Updated: 28/Apr/22 13:41
• Resolved: 28/Apr/22 13:41

Description

Use `Collections.singletonList` instead of `Arrays.asList` when there is only one argument.

 

before

List<String> one = Arrays.asList("one"); 

after

List<String> one = Collections.singletonList("one"); 

Issue Links

• links to: [Github] Pull Request #36393 (LuciferYang)