What are the valid characters for a Java method name?

Question

I read about the naming of Java variables. It says that Java variables cannot start with any numbers and special characters except for $ and _.

Some valid examples:

Answer 1

You might be surprised when having unusual characters for method, such as:

public void mój_brzuch_zacznie_burczeć()

and it works pretty nice. Take a look at this blog to see more fancy examples.