ADDITIONAL SYSTEM INFORMATION :
Linux

A DESCRIPTION OF THE PROBLEM :
The swiss decimal point is dot. With java 8, its'OK but when I migrate to java 24 i found that is become comma.

REGRESSION : Last worked in version 8u471

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run the test case

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Locale Suisse - Pi = 3.141593
ACTUAL -
Locale Suisse - Pi = 3,141593

---------- BEGIN SOURCE ----------
BigDecimal pi = BigDecimal.valueOf(Math.PI);

  System.out.printf("Locale %s - Pi = %f\n", Locale.getDefault().getDisplayCountry(), pi);
---------- END SOURCE ----------