This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
I don't believe you can, as LinkedHashMap only maintains insertion order and does have any methods for inserting between elements. You should either use a different collections class, or rebuild the LinkedHashMap (can be expensive if this is frequent).