Calculates the number of characters produced by decoding a sequence of bytes starting at the specified byte pointer. Overrides Encoding.

计算对一个字节序列进行解码所产生的字符数。

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When overridden in a derived class, calculates the number of characters produced by decoding a sequence of bytes starting at the specified byte pointer.

在衍生类别中覆写时，计算从指定的位元组指标开始，解码位元组序列所产生的字元数目。

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When overridden in a derived class, encodes a set of characters starting at the specified character pointer into a sequence of bytes that are stored starting at the specified byte pointer.

在派生类中重写时，将一组字符(从指定的字符指针开始)编码为一个字节序列，并从指定的字节指针开始存储该字节序列。

youdao

Let's just assume that s1 is a pointer and as an arrow suggests it's pointing at this byte here.

我们假设s1是一个指针,就像箭头所表示的，指向这个字节。

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