Reusing software means that fewer lines of code have to be written. software reuse is something that has gained widespread attention of software developers for years but has failed to be fully practised to a significant degree. A summary of Class Libraries Since this process rely on existing components… Software reuse is a term used for developing the software by using the existing software components. “Software reuse entails capitalizing on existing software and systems to create new products.” In the definition above, the word “capitalizing” implies a reaping of potential benefits from software reuse; some key activities should be included in the Software Development Life Cycle (SDLC) to produce new systems. Quantitative models cannot entirely capture the cost-benefit tradeoff of software reuse. Fortunately, component-based software development strongly supports reuse and this effectively paves the way for the benefits of reuse to be accrued by organisations now [15, 16, 20]. Basic issues in any reuse program The following are some of the basic issues that must be clearly understood for starting any reuse program. Three different approaches to software reuse and the benefits of the software reuse are analyzed. Increased reliability; Fewer development risks; Capitalise on expert skills; Adopt standards; Decrease development time; Cons ©Ian Sommerville 2004 Software Engineering, 7th edition. Some of the components that can be reuse are as follows; Source code Being one of the known approaches in software engineering, Software Reuse refer to the process of creating or developing a software using existing software assets, components, software parts, templates and ready-made systems. These include increased software productivity, shorter development times, improved interoperability, recuded costs and usually higher output quality to name a few. Software reuse in a product family approach is commonly thought to lead to fewer product problems, greater productivity and easier maintenance. The ideal retrieval method would neither require any prior knowledge of the repository nor any informal communication among developers to find the components Reuse: the Pros and Cons Pros. The idea behind this process is to achieve faster output delivery and have reduced development costs. However, little empirical data has been found to support this assumption - until now. Benefits of software reuse Benefit Explanation Lower development costs Development costs are proportional to the size of the software being developed. There are many benefits in taking up software reuse (SelectBS, n.d.). Capturing such data is crucial to management of reuse. 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