非虚方法 - 为什么？ [英] Non-virtual methods - why?
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问题描述
大家好，
在哪种情况下将方法声明为非虚拟方式是合适的？
Thanx，
Adrian。
解决方案
" Adrian Herscu" < BM ***** @ hotmail.com>在消息中写道
新闻：％2 **************** @ TK2MSFTNGP09.phx.gbl ...大家好，
在哪种情况下将方法声明为
非虚拟是合适的？
任何时候a）安全性可以被证实，b）稳定性可能是
comprimised，c）不可能编写一个无法覆盖的方法
安全（与a& b相关）。
Thanx，
" Adrian Herscu" < BM ***** @ hotmail.com>在消息中写道
新闻：％2 **************** @ TK2MSFTNGP09.phx.gbl ...大家好，
在哪种情况下将方法声明为
非虚拟是合适的？
任何时候a）安全性可以被证实，b）稳定性可能是
comprimised，c）不可能编写一个无法覆盖的方法
安全（与a& b相关）。
Thanx，
任何时候你希望基类方法保持不变
覆盖它继承人。
:)我认为你来自Java，其中所有方法都是虚拟的
默认，无论如何它为代码增加了一些清晰度。
-
Horatiu Ripa
" Adrian Herscu" < BM ***** @ hotmail.com>在消息中写道
新闻：#y ************** @ TK2MSFTNGP09.phx.gbl ...大家好，
在哪种情况下将方法声明为
非虚拟是合适的？
Thanx，
Adrian。
Hi all,
In which circumstances it is appropriate to declare methods as non-virtual?
Thanx,
Adrian.
解决方案
"Adrian Herscu" <bm*****@hotmail.com> wrote in message
news:%2****************@TK2MSFTNGP09.phx.gbl...Hi all,
In which circumstances it is appropriate to declare methods as non-virtual?
Any time that a) security could be comprimised, b)stability could be
comprimised, c) its not possible to write a method that cannot be overriden
safely(related to a &b both).
Thanx,
Adrian.
"Adrian Herscu" <bm*****@hotmail.com> wrote in message
news:%2****************@TK2MSFTNGP09.phx.gbl...Hi all,
In which circumstances it is appropriate to declare methods as non-virtual?
Any time that a) security could be comprimised, b)stability could be
comprimised, c) its not possible to write a method that cannot be overriden
safely(related to a &b both).
Thanx,
Adrian.
Anytime you want that the base class method to remain unchanged by
overwriting it in inheritors.
:) I presume you came from Java where all the methods are virtual by
default, anyway it adds some clarity to the code.
--
Horatiu Ripa
"Adrian Herscu" <bm*****@hotmail.com> wrote in message
news:#y**************@TK2MSFTNGP09.phx.gbl...Hi all,
In which circumstances it is appropriate to declare methods as non-virtual?
Thanx,
Adrian.
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