Additionally, altering the static structure of an interface can have undesirable side effects if not approached with caution: One must ensure that all implementers of the target interface are found.
另外,如果不谨慎处理,改变一个接口的静态结构将出现很多不希望的副作用:必须找到目标接口的所有实现者。
However, whereas a class can extend only one other class, an interface can extend any number of interfaces.
然而,类只能继承一个类,而接口可以继承多个接口。
In addition, an interface can contain constant declarations.
另外,接口可以包含常量声明。
So there we have, I'll create a GUI interface using Visual Basic, see if I can track an IP address.
好了,我用VB创建一个,图形用户界面,看是否可以跟踪IP地址。
I'll create a GUI interface using Visual Basic, see if I can track an IP address.
我用VB创建一个图形用户界面,试试能不能跟踪IP地址。
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