Default output encoding is UTF-8
Can change this in several ways using methods of
XMLOutputter
import java.math.*; import java.io.*; import org.jdom.*; import org.jdom.output.XMLOutputter; public class FibonacciJDOMLatin1 { public static void main(String[] args) { Element root = new Element("Fibonacci_Numbers"); BigInteger low = BigInteger.ZERO; BigInteger high = BigInteger.ONE; for (int i = 0; i <= 25; i++) { Element fibonacci = new Element("fibonacci"); Attribute index = new Attribute("index", String.valueOf(i)); fibonacci.addAttribute(index); fibonacci.setText(low.toString()); BigInteger temp = high; high = high.add(low); low = temp; root.addContent(fibonacci); } Document doc = new Document(root); // serialize it into a file try { FileOutputStream out = new FileOutputStream("fibonacci_8859_1.xml"); XMLOutputter serializer = new XMLOutputter(); serializer.output(doc, out, "ISO-8859-1"); out.flush(); out.close(); } catch (IOException e) { System.err.println(e); } } }