CS3003: Software Engineering - Assessing the Quality of a Software Product - IT Assignment Help

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The main principles for assessing the quality of a software product are software metrics. Metrics are used to measure the system's complexity, monitor development, and evaluate the software's effectiveness. I chose matrices, D, E, G and G to make my analysis. WMC (weight method per class) is being used here to measure This metric is used to measure comprehensibility, reusability and maintainability. A class is a prototype from which we can build objects. It is possible that classes with a large number of methods would be unique to the application, reducing the likelihood of reuse. This set of objects shares a similar structure and a common action manifested by the set of methods. WMC is a count of the methods applied within a class or the sum of the method’ complexities. But sometimes, measurement is more difficult to enforce because, because of inheritance, not all methods are available inside the class hierarchy.

The greater the number of techniques in a class, the greater the effect on children, as children inherit all of the methods mentioned in the class Depth of Inheritance Tree (DIT): By reducing the number of operations and operators, inheritance reduces complexity, but this abstraction of objects can make maintenance and design more difficult. Class depth within the inheritance hierarchy is the maximum range, determined by the number of ancestor classes, from the class node to the tree root. The deeper a class in the hierarchy, the greater the number of techniques likely to be inherited, making it more difficult to predict its behaviour. The number of methods inherited is a help metric for DIT. It concluded that elevated inheritance hierarchy depth value is useful for reusability, but it will increase the code's complexity.

Number of Children (NOC): The number of children is the number of immediate subclasses in the hierarchy subordinated to the class. The greater the number of children in the class, the greater the abstraction from the parents. The greater the number of children, the greater the reusability, because the inheritance is a form of reuse. If the number of children in the class is greater than the time needed for checking the methods in that class.

Coupling between Object Classes (CBO) is a measure of association strength formed by a relation between one individual and another. Classes are a couple in three forms. One is, the object is said to be coupled when a message is exchanged between objects. The second is that when methods declared in one class use methods or attributes of the other classes, the classes are coupled. Third, inheritance implemented significant close coupling between super and subclass groups. CBO is a count of the number of different classes a class is affiliated with. It is determined by counting the number of different hierarchies of classes linked to noninheritance on which a class depends. In software, if the number of couples is greater than the sensitivity to changes in other design components.

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