[the_duke]

It's very similar in most EU countries I know.

Responsibilities go both ways.

No one can "force" you to continue working somewhere, of course, but you may lose compensation for extra vacation time and could be liable for financial damage you cause for your employer. But I've never actually heard about that being an issue.

It's very common to just mutually agree to part ways right away.

And of course there are provisions both ways that allow immediate termination, like gross negligence from the employee or the employer not paying out your salary.