java程序设计算出一个月的总天数源码答案

liang183

package nameyu;

import java.util.Scanner;public class Test {

    /**

     * @param args

     */

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        Scanner input=new Scanner(System.in);

        System.out.println("Enter a years and a mouth like 2012 12:");

        int years=input.nextInt();

        int mouths=input.nextInt();

        switch(mouths){

        case 1: System.out.println("January"+" "+ years +" "+"has 31 days");break;

        case 2:     if((years%4==0&&years%100!=0)||years%400==0){

                        System.out.println("February"+" "+ years +" "+"has 29 days");break;

                        }else

                            System.out.println("February"+" "+ years +" "+"has 28 days");break;

        case 3: System.out.println("March"+" "+ years +" "+"has 31 days");break;

        case 4: System.out.println("April"+" "+ years +" "+"has 30 days");break;

        case 5: System.out.println("May"+" "+ years +" "+"has 31 days");break;

        case 6: System.out.println("June"+" "+ years +" "+"has 30 days");break;

        case 7: System.out.println("July"+" "+ years +" "+"has 31 days");break;

        case 8: System.out.println("August"+" "+ years +" "+"has 31 days");break;

        case 9: System.out.println("September"+" "+ years +" "+"has 30 days");break;

        case 10: System.out.println("October"+" "+ years +" "+"has 31 days");break;

        case 11: System.out.println("November"+" "+ years +" "+"has 30 days");break;

        case 12: System.out.println("December"+" "+ years +" "+"has 31 days");

        }

    }

    }