编写程序,提示用户输入月份和年份,然后显示这个月份的天数.java语言编写
答案:3 悬赏:0
解决时间 2021-01-18 19:04
- 提问者网友:寂寞撕碎了回忆
- 2021-01-18 00:29
编写程序,提示用户输入月份和年份,然后显示这个月份的天数.java语言编写
最佳答案
- 二级知识专家网友:不甚了了
- 2021-01-18 00:35
import java.util.Scanner;
public class $ {
private static int[] DAYS = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.print("输入年份:");
int year = in.nextInt();
System.out.print("输入月份:");
int month = in.nextInt();
String str = year + "-" + month + ":";
// 闰年二月份
if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0) && month == 2) {
str += 29;
} else {
str += DAYS[month - 1];
}
System.out.println(str);
}
}
public class $ {
private static int[] DAYS = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.print("输入年份:");
int year = in.nextInt();
System.out.print("输入月份:");
int month = in.nextInt();
String str = year + "-" + month + ":";
// 闰年二月份
if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0) && month == 2) {
str += 29;
} else {
str += DAYS[month - 1];
}
System.out.println(str);
}
}
全部回答
- 1楼网友:一秋
- 2021-01-18 03:21
import java.util.*;
public class Question_6 {
public static void main(String[] args) {
// TODO 自动生成的方法存根
String Mon[]={"January","February","March","April","May","Jane","July","August",
"September","October","November","December"};
Scanner scanner = new Scanner(System.in);
System.out.println("Input year:");
int year = scanner.nextInt();
System.out.println("Input the month:");
int month = scanner.nextInt();
int day = 0;
switch(month)
{
case 1:;case 3:;case 5:;case 7:;case 8:;case 10:;case 12:day = 31;break;
case 4:;case 6:;case 9:;case 11:day = 30;break;
case 2:day = year % 4 == 0? 29: 28;break;
default:break;
}
//Integer mon = new Integer(month);
//Strig mon1 = mon.toString();
//month = String.valueOf(month);
System.out.println(month+","+year +" has "+day+" days ");
}
}
public class Question_6 {
public static void main(String[] args) {
// TODO 自动生成的方法存根
String Mon[]={"January","February","March","April","May","Jane","July","August",
"September","October","November","December"};
Scanner scanner = new Scanner(System.in);
System.out.println("Input year:");
int year = scanner.nextInt();
System.out.println("Input the month:");
int month = scanner.nextInt();
int day = 0;
switch(month)
{
case 1:;case 3:;case 5:;case 7:;case 8:;case 10:;case 12:day = 31;break;
case 4:;case 6:;case 9:;case 11:day = 30;break;
case 2:day = year % 4 == 0? 29: 28;break;
default:break;
}
//Integer mon = new Integer(month);
//Strig mon1 = mon.toString();
//month = String.valueOf(month);
System.out.println(month+","+year +" has "+day+" days ");
}
}
- 2楼网友:从此江山别
- 2021-01-18 01:51
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