What is the purpose of static classes in programming?

What is the purpose of static classes in programming?

Static classes are used to group related methods and properties that do not require an instance of the class to be accessed.

Can you give me an example of a static class?

Sure! In C#, a common example is the Math class, which has static methods like Math.Sqrt().

Are there any limitations to using static classes?

Yes, static classes cannot be instantiated, and they cannot implement interfaces or inherit from other classes.

When should I use a static class instead of a regular class?

Use a static class when you want to provide utility functions that don't require object state, like helper methods.