年月日

[java]代码库

// 根据年份判断是否是闰月，每月有多少天
		int m, c = 0, month;
		Scanner sc = new Scanner(System.in);
		System.out.print("输入年份");
		m = sc.nextInt();
		if (m % 4 == 0) {
			System.out.print(m + "年是闰年。");
			c = 29;
		} else {
			System.out.print(m + "年不是闰年。");
			c = 28;
		}
		System.out.print("\n输入月份");
		month = sc.nextInt();
		if (month == 2) {
			System.out.print(month + "月有" + c + "天");
		} else if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12) {
			System.out.print(month + "月有31天");
		} else {
			System.out.print(month + "月有30天");
		}