How to sort a list of objects with some specific property

Question

I have a record object

 public Record{
   double simiADD;
 }

I Have a List of Record objects and I want to Sort on simiADD. Record with le

Answer 1

If you don't want to define a comparison function inside the Record class:

Collections.sort(recordList, new Comparator() {
        public int compare(Record object1, Record object2) {
            return Double.compare(object1.simiADD, object2.simiADD);
        }
    }
);