Is it bad practice for a class to have only static fields and methods?

Question

I have a class that consists only of static member variables and static methods. Essentially, it is serving as a general-purpose utility class.

Is i

Answer 1

As long as the class has no internal state and is essentially what is known as a leaf class (utility classes fall into this category), in other words it is independent of other classes. It is fine.

The Math class being a prime example.