Improving software maintainability by reusing crosscutting concerns as aspects

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The principle of separation of concerns is used by software engineers to handle the development of complex software systems. The idea is to divide and conquer software complexity by applying principle of modularity. However, as a result of increased software size there is still a lot of overlapping concerns that span multiple modules in the software system. A concern is a system requirement or a feature that defines part of the functionality in the system. These overlapping concerns are known as cross-cutting concerns, and have been found to have detrimental effects on software systems that can lead to problems in software maintainability, reusability, and make software comprehension more difficult. Cross-cutting concerns can also cause code bloating leading to increased maintenance cost and risk of making inconsistent change to the code.