Static method or class example [Resolved]

Hi All,


Is there any built in class or method in .net ?

eg. sqlconnection class is the example of sealed method , like this ..is there any statatic method/class already present in .net ?

i have understand what is static class or method, also i can create and use it .. but for my knowledge i want to know built in method of static class /method.



Thanks

[Resolved]