接口的概念在UML中也很重要。
而且，理解基本的面向对象概念(如继承、类、接口等)也很重要。
It is also important that you understand basic object-oriented paradigms, such as inheritance, class, interface, and so on.
此外，当你想自己创业时，这些概念也很重要。
Moreover, these concepts are crucial if you want to start your own business.
这两个概念通常是类似的，但是，理解他们的不同之处也很重要。
These two concepts are often used interchangeably, but it is important to understand their differences.
认识一些经常纰漏的概念也很重要。
Understanding a few often overlooked concepts is also important.
认识一些经常纰漏的概念也很重要。
Understanding a few often overlooked concepts is also important.
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