Difference Between ASCIIEncoding and Encoding

99封情书 提交于 2020-01-02 03:40:08

问题


I understand that Encoding can be used to initialize object to perform any type of Encoding, ASCII, Unicode, UTF-8 etc. It appears to me that all these are sufficient for performing any kind of encoding, then what is the need for ASCIIEncoding?


回答1:


The Encoding class, in addition to being the base class of all encoders, provides static property accessors to the named subclasses.

Encoding.ASCII returns an instance of ASCIIEncoding which, in turn, subclasses Encoding and passes the codepage 0x4e9f (US-ASCII) to the base constructor.



来源:https://stackoverflow.com/questions/5636372/difference-between-asciiencoding-and-encoding

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