java根据出生年份计算生肖

java根据出生年份计算生肖，从1900年开始：

/**
	 * 根据年份计算生肖
	 * 
	 * @param year 2021
	 * @return
	 */
	public static String getZodiacByYear(int year) {

		if (year < 1900) {
			return "未知";
		}
		int start = 1900;
		String[] years = new String[] { "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪" };
		return years[(year - start) % years.length];
	}