C#編程--ref,out,TryParse

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

namespace ConsoleApplication1
{
    class Program
    {
        static void add(ref int i)
        {
            i++;
        }
        static void add2(out int i)
        {
            //這裏認爲i沒有被初始化
            i = 111;
        }
        static void Main(string[] args)
        {
            int i = 10;
            //add(ref i);

            add2(out i);
            Console.WriteLine(i);

            bool temp = int.TryParse("aa", out i);
            Console.WriteLine(temp);


            Console.ReadKey();
        }
    }
}
 

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