class Mycomparator implements Comparator{
???public int compare(Object arg0, Object arg1) {
????Step obj0=(Step)arg0;
????Step obj1=(Step)arg1;
????if(obj0.getId()<obj1.getId()){
?????return 0;
????}else{
?????return 1;
????}
???}
???
??}
??Comparator comp = new Mycomparator();
??Collections.sort(historyList,comp);
posted on 2006-12-18 20:58
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