奇数偶数规律

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication3
{
    class Class1
    {
        public int[] getdata()
        {
            int[] a = new int[30];
            a[0] = 1;
            a[1] = 1;
            for (int i = 2; i < 30; i++)
            {
                a[i] = a[i - 1] + a[i - 2];
            }
            foreach (var item in a)
            {
                Console.WriteLine(item);
            }
            return a;
        }
        public void getd(ref int z, ref int x) 
        {
            int[] a = getdata();
            foreach (int item in a) 
            {
                if (item % 2 == 0)
                {
                    z++;
                } else {
                    x++;
                }
            }
        }
    } 
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication3
{
    class Program
    {
        static void Main(string[] args)
        {
            Class1 e = new Class1();
            int z = 0;
            int x = 0;
            e.getd(ref z, ref x);
            Console.WriteLine("奇数的个数是:{0},偶数的个数是:{1}", z, x);
            Console.ReadLine();
        }
    }
}