<employee>
<id>1</id>
<name>John Doe</name>
<age>30</age>
</employee>
public class Employee {
private int id;
private String name;
private int age;
}
JAXBContext context = JAXBContext.newInstance(Employee.class);
Unmarshaller unmarshaller = context.createUnmarshaller();
Employee employee = (Employee) unmarshaller.unmarshal(new File("employee.xml"));
System.out.println(employee.getId());
System.out.println(employee.getName());
System.out.println(employee.getAge());
