在ABC三处分别发生几次装箱行为，请说明理由！
0
悬赏园豆：5
[已关闭问题]
解决于 2013-09-10 16:01
static void Main(string[] args)
{
int a = 5;
object obj = a; //box
a = 123;
Console.WriteLine(a + "," + obj); //A
Console.WriteLine(a + "," + (int)obj); //B
Console.WriteLine(a.ToString() + "," + obj);//C
Console.Read();
}
