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¿ÉÊǵ÷ÓÃCharset.defaultCharset()µÄ½á¹û²¢·ÇÈç´Ë¡£
 import java.nio.charset.Charset;
public class javaCode {
public static void main(String args[])
{
String defaultCharsetName=Charset.defaultCharset().displayName();
System.out.println("defaultCharsetName:"+defaultCharsetName);

}
}
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defaultCharsetName:GBK
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import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
public class javaCode {
public static void main(String args[])
{
String defaultCharsetName=Charset.defaultCharset().displayName();
System.out.println("defaultCharsetName:"+defaultCharsetName);
try {
InputStream is = new FileInputStream("F:\\shifjst.txt");
//µÈÓÚ InputStreamReader streamReader = new InputStreamReader(is,Charset.defaultCharset());
InputStreamReader streamReader = new InputStreamReader(is);
char[] chars = new char[10];
streamReader.read(chars, 0, 10);
System.out.println(chars);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}
}
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defaultCharsetName:windows-31j
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defaultCharsetName:windows-31j
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 public static String getMondayOfThisWeek() {
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