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

Read the JavaDoc for the Comparable interface. http://download.oracle.com/javase/6/docs/api/java/lang/Comparable.html. Or did you mean "don't want to implement Comparable" instead of "Comparator"?

Comparable is quite standard actually, which is good for the maintenance of your code. The sort method in Collections is based on it, so it works pretty well.