Java tutorial
import java.time.LocalDateTime; public class Main { public static void main(String[] args) { LocalDateTime a = LocalDateTime.of(2012, 6, 30, 12, 00); LocalDateTime b = LocalDateTime.of(2012, 7, 1, 12, 00); System.out.println(a.compareTo(b)); System.out.println(a.compareTo(a)); } }