[SPARK-50155] Move `scala` and `java` files to their default folders

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0, 3.5.4
• Component/s: Project Infra
• Labels: pull-request-available
• Assignee: Pan Bingkun
• Reporter: Pan Bingkun
• Created: 29/Oct/24 08:07
• Updated: 30/Oct/24 10:05
• Resolved: 29/Oct/24 14:02

Issue Links

• links to: GitHub Pull Request #48691
• links to: GitHub Pull Request #48700