Date Added: Jan 2011
Reusable software components are designed to apply the power and benefit of reusable, interchangeable parts from other industries to the field of software construction .Benefits of component reuse such as sharing common code, and components one place and making easier and quicker. The most substantial benefits derive from a product line approach, where a common set of reusable software assets act as a base for subsequent similar products in a given functional domain. Component is fundamental unit of large scale software construction. Every component has an interface and an Implementation. The interface of a component is anything that is visible externally to the component. Everything else belongs to its implementation.