java程序设计算出一个月的总天数源码答案
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"); } } }
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