Java tutorial
//package com.java2s; import java.text.SimpleDateFormat; import java.util.Date; import android.text.TextUtils; public class Main { public static boolean compareDate(String startDate, String endDate) { if (TextUtils.isEmpty(startDate) || TextUtils.isEmpty(endDate)) { return false; } SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHH"); try { Date dt1 = sdf.parse(startDate); Date dt2 = sdf.parse(endDate); return dt1.after(dt2); } catch (Exception e) { return false; } } }