G__D__Y的博客

List<Person> personList = TestClass.getPersonList(20); personList.sort(new Comparator<Person>() { @Override public int compare(Person o1, Person o2) { int num0 = o1.score - o2.score; return num0 == 0 ? o1.age - o2.age :.

LocalDate date = LocalDate.now(); System.out.println(date); LocalDate localDate = date.plusDays(5); System.out.println(localDate); int period = Period.between(date, localDate).getDays(); System.out.p...