About enums in switch Statements

[antaow]

Bruce,

When I read your chapter on Enumerations, In the section of enums in switch Statements, original text：the compiler will complain if you don’t have a default—even if you’ve covered all the possible values of the enum.

The question is as follows：

when I don't use a default，my compiler doesn't give any error .

My java version is "17.0.1" 2021-10-19 LTS