java根据身份证号判断用户性别

1.实现代码

public class BirthUtils {

    /**
     *  根据身份证号判断用户性别
     * @param cardNo
     * @return
     */
    public static String getSex(String cardNo) {
        String sexStr = "0";
        if (cardNo.length() == 15) {
            sexStr = cardNo.substring(14, 15);
        } else if (cardNo.length() == 18) {
            sexStr = cardNo.substring(16,17);
        }
        int sexNo = Integer.parseInt(sexStr);
        return sexNo % 2 == 0 ? "女" : "男";
    }

    public static void main(String[] args) {
        System.out.println(getSex("530121198903119561"));
    }
}

2.输出结果