Static vs Sealed Class Difference

From：
http://stackoverflow.com/questions/16217313/static-vs-sealed-class-difference

回答的簡單明瞭：

+-------------------------+---+--------+--------+--------+----------+
|       Class Type        |   | normal | static | sealed | abstract |
+-------------------------+---+--------+--------+--------+----------+
| Can be instantiated     | : | YES    | NO     | YES    | NO       |
| Can be inherited        | : | YES    | NO     | NO     | YES      |
| Can inherit from others | : | YES    | NO     | YES    | YES      |
+-------------------------+---+--------+--------+--------+----------+