输当年截止月共多少天代码
Scanner input = new Scanner(System.in); System.out.print("请输入年份:"); int year =input.nextInt(); System.out.print("请输入月份:"); int mouth=input.nextInt(); int day=0; for(int i=1;i<=mouth;i++) { switch(i) { 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: if(year%4==0&& year%100!=0 || year%400==0) { day+=29; }else day+=28; break; } } System.out.println("该年天数:"+day);