using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Tip1
{
class Program
{
static void Main(string[] args)
{
}
private static void NewMethod1()
{
string s1 = “abc”;
s1 = “123″ + s1 + “456″; //以上两行代码创建了3个...
c#, 装箱阅读全文
