This PR applies the SingleSpaceSeparator Checkstyle module.
This PR also fixes its violations.
See https://github.com/spring-projects/spring-framework/pull/31245
Comment From: sbrannen
This has been merged into main in 64e9fcad53438f7448c4d30014bc5dbe911d641e and revised in 2d792f000ab4bbdb47a3106d15a919f36b4e7eaa.
I wasn't aware of the SingleSpaceSeparatorCheck.
Thanks