17.5.5 Sealed methods
When an instance method declaration includes a sealed modifier, that method is said to be a sealed
A virtual event declaration specifies that the accessors of that event are virtual. The virtual mod
A virtual property declaration specifies that the accessors of the property are virtual. The virtua
When an instance method declaration includes an abstract modifier, that method is said to be an abs
When an instance method declaration includes an override modifier, the method is said to be an over
When an instance method declaration includes a virtual modifier, that method is said to be a virtua
A method is a member that implements a computation or action that can be performed by an object or
今天看到《软件研发5》有一篇译自CUJ的文章“使类不可继承”，方法很好，但有几个毛病： 1. 正如译者说的，还是有办法进行继承，虽然方法有点变态 2. 最主要的毛病却是，这种办法
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