Sealed child classes

Question

What is the use of sealing a child class?

Saakina Kafu · Answer

Thank you that was really helpful.

Vulpes · Answer

If you've extended the base class in such a way or to such an extent that you don't think further extensibility would be useful or desirable then you should seal the child class. Sealing a class might enable certain optimizations to be made by the 'just in time' compiler.