- package com.qimenguigu.l07131;
-
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStreamReader;
-
- /**
- * 输入年,月,日,next|prior,如果是一个正确的日期,算出上一天或下一天
- *
- * @author Longjie
- * @website www.qimenguigu.com
- */
- public class Title15 {
- public static void main(String[] args) throws IOException {
- BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
- System.out.println("请输入年份");
- String s1 = br.readLine();
- System.out.println("请输入月份");
- String s2 = br.readLine();
- System.out.println("请输入日份");
- String s3 = br.readLine();
- int year = Integer.parseInt(s1);
- int month = Integer.parseInt(s2);
- int day = Integer.parseInt(s3);
-
- if (year >= 0 && month >= 1 && month if (month == 1 || month == 3 || month == 5 || month == 7
- || month == 8 || month == 10 || month == 12) {
- if (day >= 1 && day System.out.println("您输入的日期为:" + year + "年" + month + "月"
- + day + "日");
- if (day == 31) {
- if (month == 12)
- System.out.println("且上一天为:" + year + "年12月"
- + (day - 1) + "日" + "," + "下一天为:"
- + (year + 1) + "年1月1日");
- else
- System.out.println("且上一天为:" + year + "年" + month
- + "月" + (day - 1) + "日" + "," + "下一天为:"
- + year + "年" + (month + 1) + "月1日");
- } else if (day == 1) {
- if (month == 1)
- System.out.println("且上一天为:" + (year - 1)
- + "年12月31日" + "," + "下一天为:" + year + "年"
- + month + "月" + (day + 1) + "日");
- else if (month == 3) {
- if ((year % 4 == 0 && year % 100 != 0)
- || (year % 400 == 0))
- System.out.println("且上一天为:" + year + "年2月29日"
- + "," + "下一天为:" + year + "年" + month
- + "月" + (day + 1) + "日");
- else
- System.out.println("且上一天为:" + year + "年2月28日"
- + "," + "下一天为:" + year + "年" + month
- + "月" + (day + 1) + "日");
- } else
- System.out.println("且上一天为:" + year + "年"
- + (month - 1) + "月30日" + "," + "下一天为:"
- + year + "年" + month + "月" + (day + 1)
- + "日");
- } else
- System.out.println("且上一天为:" + year + "年" + month + "月"
- + (day - 1) + "日" + "," + "下一天为:" + year + "年"
- + month + "月" + (day + 1) + "日");
- } else
- System.out.println("您输入的日期不合法");
- } else if (month == 4 || month == 6 || month == 9 || month == 11) {
- if (day >= 1 && day System.out.println("您输入的日期为:" + year + "年" + month + "月"
- + day + "日");
- if (day == 30)
- System.out.println("且上一天为:" + year + "年" + month + "月"
- + (day - 1) + "日" + "," + "下一天为:" + year + "年"
- + (month + 1) + "月1日");
- else if (day == 1)
- System.out.println("且上一天为:" + year + "年" + (month - 1)
- + "月31日" + "," + "下一天为:" + year + "年" + month
- + (day + 1) + "日");
- else
- System.out.println("且上一天为:" + year + "年" + month + "月"
- + (day - 1) + "日" + "," + "下一天为:" + year + "年"
- + month + (day + 1) + "日");
- } else
- System.out.println("您输入的日期不合法");
- } else if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0)) {
- if (day == 29)
- System.out.println("您输入的日期为:" + year + "年" + month + "月"
- + day + "日" + "\n" + "且上一天为:" + year + "年2月28日"
- + "," + "下一天为:" + year + "年3月1日");
- else {
- if (day == 28)
- System.out.println("您输入的日期为:" + year + "年" + month
- + "月" + day + "日" + "\n" + "且上一天为:" + year
- + "年2月27日" + "," + "下一天为:" + year + "年2月29日");
- else
- System.out.println("您输入的日期不合法");
- }
- }
- } else
- System.out.println("您输入的日期不合法");
- }
- }
-
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