Re: String.charAt() returns wrong char

Lew <>
Sun, 23 Mar 2008 06:17:51 -0400
(please do not top-post)

Eric Sosman wrote:

     Longer answer: When you construct a String from an array
of bytes, the bytes are decoded as representations of the
platform's default character set. On my machine (which may
be using the same encoding as yours, because we get the same
final result), the array "new byte[] { -110 }" decodes to a
String whose single character has the code 8217 or \u2019,
a Unicode right single quotation mark. When you convert this
char to a byte by chopping away the high-order half, you're
left with 25. Other systems might give you different results.

     Your plan to store an array of "raw bytes" as a String
is flawed: Strings are not arrays, and they are made up not
of bytes but of chars. Why do you think you need to do it? wrote:

But maybe, it is possible to create string not in unicode format, but
in single byte coded characters?


One can create a String /from/ single-byte encoded characters, by specifying
the encoding for the conversion. The String itself will always comprise
16-bit-encoded characters.


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