9/27/2023 0 Comments Cs condition zero go source什么区别![]() ![]() They don't have an overall escape policy. Subclasses can override the parent class' virtual method if the programmer deems it appropriate. In other words virtual methods provide a basic plan, which can be overriden if you need to. With virtual methods you can do just that: you can override the basic FireEscape() plan with your own version of the plan: But there is a 1% chance that the fire escape is blocked or damaged in which case you are completely screwed and you'll become toast unless you take some drastic action. This plan is pretty good for 99% of the circumstances. ![]() ![]() This is basically a virtual method called FireEscape() But luckily we have an instruction manual somewhere here on what to do in case of fire: Every now and again, somewhere in the world, a fire is burning down a sky scraper.
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