Many ways to improve the profit in software company. Reducing cost is the easiest way for software developers. Improving code resuability is a kind of way to cutoff cost. Developer can use the existing elements of current system with high reusability by the least cost when need comes. This paper focus on how to improve code reusability.%软件公司提高收益的途径有多种多样,对于软件开发人员而言,降低软件开发成本无疑是最简单的一条。提高代码可重用性就是众多降低软件开发成本的方法中最实用的一种方式。在代码可重用性高项目中,当需求来临时,开发人员能够利用系统中已有的元素,付出尽可能小的努力来应对这个变化。对如何提高代码可重用性展开了研究分析。
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