摘要：
1. 请简述值类型与引用类型的区别 答： 可参考http://www.cnblogs.com/JimmyZhang/archive/2008/01/31/1059383.html 2.C#中所有引用类型的基类是什么 答：引用类型的基类是System.Object 值类型的基类是System.Valu 阅读全文
摘要：
int[] arr = {1,3,6,4,2}; /* count = 5 i = 0 j = 0 {1,3,6,4,2} j = 1 {1,3,6,4,2} j = 2 {1,3,4,6,2} j = 3 {1,3,4,2,6} i = 1 j = 0 {1,3,4,2,6} j = 1 {1,3 阅读全文