.net垃圾回收机制

 static void Main(string[] args)
        {
            Console.WriteLine("当前托管堆上分配了{0}K字节内存空间。", (GC.GetTotalMemory(false) / 1024).ToString());
            Console.WriteLine("输入系统最大支持{0}代。\n", (GC.MaxGeneration + 1).ToString());
            var obj = new { num = 1, txt = "abc" };
            Console.WriteLine("obj创建完成，所引用对象当前为第{0}代。\n", GC.GetGeneration(obj).ToString());
            //对第0代进行强制回收，所有对象终结前挂起当前进程
            GC.Collect(0);
            GC.WaitForPendingFinalizers();
            Console.WriteLine("第{0}代强制回收完成。");
            getmsg(obj);
            GC.Collect();
            GC.WaitForPendingFinalizers();
            Console.WriteLine("所有代强制回收完成。");
            getmsg(obj);
            obj = new { num = 1, txt = "abc" };
            Console.WriteLine("\nobj对象被赋予了同匿名类型的新实例。");
            getmsg(obj);
            for (int i = 0; i < 3; i++)
            {
                Console.WriteLine("第{0}代已经被收回了{1}次。", i, GC.CollectionCount(i));
            }

            Console.ReadKey();
        }
        static void getmsg(object o)
        {
            string objgen = GC.GetGeneration(o).ToString();
            Console.WriteLine("obj所引用对象当前为第{0}代。\n", objgen);
        }