学步园

namespace ConsoleApplication1
{
    class Value
    {
        public int i = 15;
    }
    class Program
    {
        //Value val = new Value();
        static void Main(string[] args)
        {
            Program t = new Program();
            t.first();
        }
        public void first()
        {
            int i = 5;
            Value v = new Value();
            v.i = 25;
            second(v, i);
            Console.WriteLine(v.i);//20 ?????看不懂 郁闷的问题
        }
        public void second(Value v, int i)
        {
            i = 0;
            v.i = 200;
            Value val = new Value();
            //这句话为什么没有影响到对象v
            v = val;
            //val = v;
            Console.WriteLine(v.i + " " + i + " ");//15,0 可以理解
        }
    }

}