Here you can find the source of hasYearPassed(int year)
public static boolean hasYearPassed(int year)
/*// w w w . ja v a 2 s . co m Copyright 2014 Citrus Payment Solutions Pvt. Ltd. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ import java.util.Calendar; import java.util.Locale; public class Main{ public static boolean hasYearPassed(int year) { int normalized = normalizeYear(year); Calendar now = Clock.getCalendarInstance(); return normalized < now.get(Calendar.YEAR); } private static int normalizeYear(int year) { if (year < 100 && year >= 0) { Calendar now = Clock.getCalendarInstance(); String currentYear = String.valueOf(now.get(Calendar.YEAR)); String prefix = currentYear.substring(0, currentYear.length() - 2); year = Integer.parseInt(String.format(Locale.US, "%s%02d", prefix, year)); } return year; } }