目录目录..................................................................................................................................................11. 接口与抽象类有什么区别...........................................................................................32. String 类与 StringBuilder 类有什么区别？.................................................................33. 在 dot.net 中类(class)与构造(struct)的异同：.............................................................34. Override 与重载有什么区别........................................................................................45. C#中接口和类的异同..................................................................................................46. 请你说说.NET 中类和构造的区别?............................................................................47. HashMap 和 Hashtable 区别?.......................................................................................48. 值类型和引用类型的区别?.........................................................................................59. Heap 与 stack 的差异?..................................................................................................510. 谈谈 final, finally, finalize 的区别。..........................................................................511. Collection 和 Collections 的区别。..........................................................................512. sleep() 和 wait() 有什么区别?...................................................................................513. 在 c#中 using 和 new 这两个关键字有什么意义，请写出你所懂得的意义？using 指令 和语句 new 创立实例 new 隐藏基类中措施......................................................614. OLEDBConnection 和 SQLConnection 有什么区别？.............................................615. C/S 和 B/S 的区别，优缺陷有哪些？.......................................................................616. ArrayList,Array ...
