File.encoding = Cp1252

Dear List,
I have noticed in my system.properties that my windows xp 1.4 jdk has
file.encoding = Cp1252
What does this mean generally ? In my jsp web application, I have noticed that the jsp pages themselves which have html company headers have been corrupted somewhat, e.g. copyright symbol becomes something else (looks like utf8!). Could this be something to do with it ? Does this mean that text stream IO readers etc will adopt this encoding as default
what affects can it have if I change this using the setProperty method?
regards
Ben

Setting with
java -Dfile.encoding= works.
public class a {
public static void main(String a[] ) {
System.out.println(System.getProperty("file.encoding") + " \u0150\u0151\u0170\u0171");
}D:\doku\source\colors\src\web>java a
Cp1252 ????
D:\doku\source\colors\src\web>java -Dfile.encoding=utf8 a
utf8 ┼�┼�┼░┼▒
D:\doku\source\colors\src\web>java -Dfile.encoding=latin2 a
latin2 ╒⌡█√

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import java.io.ByteArrayOutputStream;
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Dear SAP Forum,
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