Polymorphism improves expression ability of programming languages.
多态性增强了程序设计语言的表达能力。
This article introduced the university programming present situation, and discussed how to strengthen student 's ability of programming in experiment.
介绍了高校程序设计课程的基本现状,并指出了在实验中对学生的程序设计能力加以培养的途径。
When compared, a noted advantage of using XML tags is their ability to use default values for attributes, while programming languages offer limited possibilities to omit a method parameter.
对比起来,使用XML标记的一个明显优点就是它们能为属性使用默认值,然而编程语言只提供了有限的可能性来删除方法参数。
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