How do I add attributes to an XML elements in JDOM?

The program below will show you how to add attributes to an XML elements. Using JDOM library this can be easily done by calling the Element‘s setAttribute(String name, String value) method.

package org.kodejava.jdom;

import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.output.Format;
import org.jdom2.output.XMLOutputter;

public class JDOMAddAttribute {
    public static void main(String[] args) {
        Document doc = new Document();
        Element root = new Element("root");

        // Create <row userid="alice"></row>
        Element child = new Element("row").setAttribute("userid", "alice");

        // Create <name firstname="Alice" lastname="Starbuzz"></name>
        Element name = new Element("name")
                .setAttribute("firstname", "Alice")
                .setAttribute("lastname", "Starbuzz");

        child.addContent(name);
        root.addContent(child);
        doc.addContent(root);

        XMLOutputter outputter = new XMLOutputter(Format.getPrettyFormat());
        try {
            outputter.output(doc, System.out);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

And here goes the output:

<?xml version="1.0" encoding="UTF-8"?>
<root>
  <row userid="alice">
    <name firstname="Alice" lastname="Starbuzz" />
  </row>
</root>

Maven Dependencies

<dependency>
    <groupId>org.jdom</groupId>
    <artifactId>jdom2</artifactId>
    <version>2.0.6.1</version>
</dependency>

Author
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Wayan

Founder at Kode Java

A programmer, runner and recreational diver, lives on the island of Bali, Indonesia. Programming in Java, Spring Framework, Hibernate / JPA, MySQL. To support me working on this project, buy me a cup of coffee, every little bit helps. Thank you.

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