package PairTest2; import java.util.Calendar; import java.util.GregorianCalendar; public class PairTest2 { public static void main(String[] args) { GregorianCalendar[] birthdays = { new GregorianCalendar(1996, Calendar.DECEMBER, 9), new GregorianCalendar(1815, Calendar.DECEMBER, 10), new GregorianCalendar(1903, Calendar.DECEMBER, 3), new GregorianCalendar(1910, Calendar.JUNE, 22) }; Pair<GregorianCalendar> mm = ArrayAlg.minmax(birthdays); System.out.println("min =" + mm.getFirst().getTime()); System.out.println("max =" + mm.getSecond().getTime()); } }