xml to java objects

[Hamzah khammash]

Hello ,
<?xml version="1.0" encoding="UTF-8"?>

<School name="Aloroba" >
	
	<class id ="1">
		<Name>math</Name>
		<Student id="1">
			<Name>Hamzah</Name>
			  <Address>
				<id>1441</id>
			  </Address>
		</Student >
		<Student id="2">
			<Name>khammash</Name>
			<Address>
				<id>1442</id>
			</Address>
		</Student>
		<Student id="3">
			<Name>Hani</Name>
			<Address>
				<id>1443</id>
			</Address>
		</Student>
		<Student id="4">
			<Name>kim</Name>
			<Address>
				<id>1445</id>
			</Address>
		</Student>
		<Student id="5">
			<Name>Viper</Name>
			<Address>
				<id>14454</id>
			</Address>
		</Student>
	</class>


	<class id="2">
		<Name>phisics</Name>
		<Student id="1">
			<Name>Hamzah</Name>
			<Address>
				<id>14421</id>
			</Address>
		</Student>
		<Student id="2">
			<Name>khammash</Name>
			<Address>
				<id>144213</id>
			</Address>
		</Student>
		<Student id="3">
			<Name>Hani</Name>
			<Address>
				<id>144151</id>
			</Address>
		</Student>
		<Student id="4">
			<Name>kim</Name>
			<Address>
				<id>1442131</id>
			</Address>
		</Student>
		<Student id="5">
			<Name>Viper</Name>
			<Address>
				<id>144121312</id>
			</Address>
		</Student>
	</class>

	<class id="3">
		<Name>Java</Name>
		<Student id="1">
			<Name>Hamzah</Name>
			<Address>
				<id>144213213</id>
			</Address>
		</Student>
		<Student id="2">
			<Name>khammash</Name>
			<Address>
				<id>144871</id>
			</Address>
		</Student>
		<Student id="3">
			<Name>Hani</Name>
			<Address>
				<id>1441879</id>
			</Address>
		</Student>
		<Student id="4">
			<Name>kim</Name>
			<Address>
				<id>144189798</id>
			</Address>
		</Student>
		<Student id="5">
			<Name>Viper</Name>
			<Address>
				<id>1441454</id>
			</Address>
		</Student>

	</class>


</School>

Java code :

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;

// TODO: Auto-generated Javadoc
/**
 * The Class PlayWithJDom.
 */
public class PlayWithJDom {

	/** The cls. */
	static Classe cls = new Classe();

	/** The school. */
	static School school = new School();

	/** The xml file. */
	static File xmlFile;

	/** The builder. */
	static SAXBuilder builder;

	/**
	 * The main method.
	 * 
	 * @param args
	 *            the arguments
	 * @throws JDOMException
	 *             the jDOM exception
	 * @throws IOException
	 *             Signals that an I/O exception has occurred.
	 */
	public static void main(String[] args) throws JDOMException, IOException {

		builder = new SAXBuilder();
		xmlFile = new File(
				"C:\\Users\\h.khammash\\Desktop\\Studening workspace\\XMLParsing\\Schools.xml");
		readXml();
		System.out.println(school.getName());

	}

	/**
	 * Read xml.
	 */
	public static void readXml() {
		try {

			Document document = (Document) builder.build(xmlFile);
			Element rootNode = document.getRootElement();
			String schoolName = rootNode.getAttribute("name").getValue();
			school.setName(schoolName);
			List list = rootNode.getChildren("class");

			for (int i = 0; i < list.size(); i++) {

				Element node = (Element) list.get(i);
				String classid = node.getAttribute("id").getValue();
				String name = node.getChildText("Name");

				System.out.println("Class ID: " + classid);
				System.out.println("Name: " + name);

				List list1 = node.getChildren("Student");
				for (int j = 0; j < list1.size(); j++) {
					Element node1 = (Element) list1.get(j);
					String sid = node1.getAttribute("id").getValue();
					String sname = node1.getChildText("Name");
					System.out.println("Student ID: " + sid);
					System.out.println("Student Name: " + sname);
					List list2 = node1.getChildren("Address");
					for (int k = 0; k < list2.size(); k++) {
						Element node2 = (Element) list2.get(k);
						String saddress = node2.getChildText("id");
						System.out.println("Address: " + saddress);

					}
				}
			}
		} catch (Exception e) {
			System.out.println("Execption " + e.getMessage());
		}

	}

}

i have xml file above and 4 classes school ,classe ,student,address and the above class i need a way to put xml constants to java objects for these class ?