represents a character set or encoding.
Charset has a cannonical name, returned by
, and a
set of aliases, returned by
. You can look up a
Charset by name or alias with the static
Charset.forName( ) method, which throws an
UnsupportedCharsetException if the named charset
is not installed on the system. In Java 5.0, you can obtain the
Charset used by the Java VM with the
method. Check whether a charset specified by
name or alias is supported with the static
. Obtain the complete set of installed
which returns a sorted map from
canonical names to
Note that charset names are not
case-sensitive, and you can use any capitialization for charset names
you pass to
isSupported( ) and
). Note that there are a number of classes and methods in
the Java platform that specify charsets by name rather than by
Charset object. See, for example,
String.getBytes( ), and
java.nio.channels.Channels.newWriter( ). When
working with classes and methods such as these, there is no need to
All implementations of Java are required to support at least the following 6 charsets:
The 8-bit superset of ASCII which includes the characters used in most Western-European languages. Also known as ISO-LATIN-1.
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