People.java

package org.javaee7.jaxrs.server.negotiation;

import java.util.ArrayList;
import java.util.List;

import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement 
public class People extends ArrayList<Person> {

   private static final long serialVersionUID = 1L;
   
   @XmlElement(name = "person")
   public List<Person> getPeople() {
      return this;
   }
}