package comparators; import java.io.Serializable; import java.util.Comparator; import modeles.ConversationModel; public class ConversationIdComparator implements Comparator, Serializable { private static final long serialVersionUID = 1L; @Override public int compare(ConversationModel c1, ConversationModel c2) { int n1 = c1.getId(); int n2 = c2.getId(); return n1 > n2 ? +1 : n1 < n2 ? -1 : 0; } }