It's more or less random. What happens behind the scenes is that WindowContext implements Comparable, and the compare method only considers the order to calculate the return value | package org.jboss.portal.theme.page; | public final class WindowContext implements Comparable, Serializable | { | .... | public int compareTo(Object o) | { | return order - ((WindowContext)o).order; | } | .... | } | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3979177#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...