C# sealed vs Java final

Question

Would anybody please tell me as the reason the following use of sealed does not compile? Whereas, if I replace sealed with final and c

Answer 1

Sealed in C# can be applied only to a reference types, and has impact on inheritance tree.

In practise the type marked as sealed guranteed to be the last "leaf" in the inheritance tree, or in short, you can not derive from the type declared like a sealed.

public sealed class Child : Base 
{
}

public class AnotherAgain : Child //THIS IS NOT ALLOWED
{
}

It can not be applied to a members.