问JAXB强制集合排序

EN

package forum7686859;

import java.util.Set;
import java.util.TreeSet;

import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement
public class Root {

    //private Set<String> children = new HashSet<String>();
    private Set<String> children = new TreeSet<String>();

    public Set<String> getChildren() {
        return children;
    }

    public void setChildren(Set<String> children) {
        this.children = children;
    }

}