Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package ManageBean.Model; import Entity.Post; import ManageBean.Model.ViewData; import java.util.Comparator; import org.joda.time.DateTime; import org.joda.time.Seconds; /** * * @author Asus */ public class CompareTime implements Comparator<ViewData> { @Override public int compare(ViewData t, ViewData t1) { DateTime date1 = new DateTime(t.getPostdate()); DateTime date2 = new DateTime(t1.getPostdate()); if (Seconds.secondsBetween(date1, date2).getSeconds() > 0) { return 1; } else { return -1; } } }