Is a way to find out the encoding of a String?

Doesn anyone know how to find out the encoding?

There are some circumstances in which a file (or more
generally, a stream) may expose its own encoding,
IIRC. But of course that's the exception, not the rule.As part of a higher level protocol, sure. HTTP, for example, may have it in a couple places (headers or in the HTML head section). Plain text files do not, however.
But anyway at this point I'm not convinced that
anyone knows for sure what the OP wanted or needed.I agree with that. Not convinced the OP knows, either.
Was he really looking for a heuristic to correctly
y guess the encoding of a stream of bytes, so that
encoding could be used as input to a String
constructor? Or did he just not know how to use the
API?To the OP:
If you have a String, there's no encoding, it's all Unicode chars in the string.
If you have a bunch of bytes (byte[], file, input stream, whatever), then there is some encoding. If you don't know what the encoding is, there's no 100% sure way to figure it out. Some code exists, as mentioned, that can make educated guesses, particularly if you know it's one of a few possible choices. Beyond that, bytes are bytes are bytes, and how they are interpreted by character based classes/methods (like new String(byte[], String)) is defined by the encoding you tell it to use.
So aside from that, what's the issue you're trying to solve?

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Is a way to find out the encoding of a String?

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