参考代码:
import java.util.Scanner; import java.util.Set; import java.util.TreeSet; import java.time.LocalDate; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String in = scanner.next(); String []s = in.split("/"); int a = Integer.parseInt(s[0]); int b = Integer.parseInt(s[1]); int c = Integer.parseInt(s[2]); Set<LocalDate> set = new TreeSet<>(); try { LocalDate date1 = LocalDate.of(year(a), b, c); set.add(date1); }catch(Exception e) {} try { LocalDate date2 = LocalDate.of(year(c), a, b); set.add(date2); }catch(Exception e) {} try { LocalDate date3 = LocalDate.of(year(c), b, a); set.add(date3); }catch(Exception e) {} for(LocalDate x: set) System.out.println(x); } public static int year(int a) { return (a > 60) ? (a + 1900) : (a + 2000); } }
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