Advantages of classes with only static methods in C++

Question

Even though there are no static classes in C++, coming from a Java background I use to create a helper class like Util containing only static methods. Is this c

Answer 1

There is one other situation in which a static class might be preferred to a namespace: when you want to make the data private so that it can't be directly modified from outside the class/namespace, but for performance reasons you want to have have public inline functions that operate on it. I don't think there is any way to do that with a namespace, other than by declaring a class inside the namespace.