As the standard definition of software engineering it is the development of sound engineering principle in order to achieve the software which is effective, efficient, understandable, and further it can be run on any real time machine. In software engineering, Software metrics are very useful for a forward engineering of re-engineering process of existing software system. Also, they are absolutely necessary in re-engineering process. They show exactness, clear picture and understanding of the existing software system. It should be the first step in effective re-engineering process. Quality of software systems heavily depends on their structure, which affects maintainability and readability. However, the ability of humans to deal with the complexity and security of large software systems is limited. In this paper we are proposing system methodology approach, that should measure coupling, cohesion (Complexity), Data Access and Operation Access Metric (Security) which dependent on the assumption that the attributes, methods, relationship and classes of Object-Oriented systems are connected in more than one way
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