Good practice is to always implement fewer dependent classes or a low class coupling. Class CouplingĬlass coupling is a measure on how one class is connected or dependent with another class. A developer must implement inheritance carefully by keeping in mind that code should remain reusable and less complex. The deeper the hierarchy in the inheritance tree the class is, the more complex it will be to develop, test, and maintain. This metric calculates how far down a class is declared in the inheritance hierarchy. Your code will be highly maintainable if the value of this metric is lower. The value of this metric increases if we have nested if statements or switch statements. It indicates a number of branches in the code by calculating the number of different code paths in the flow of the program. Cyclomatic ComplexityĪs per Wikipedia: ‘Cyclomatic complexity is a software metric (measurement), used to indicate the complexity of a program.’ This metric measures the structural complexity of your code. A red rating, between 0 and 9, indicates low maintainability. A yellow rating, between 10 and 19, indicates that the code is moderately maintainable. For example, a green rating, between 20 and 100, indicates that the code has highly maintainability. Different color codes are used to signify the maintainability index. The value of this index is between o to 100.

A high value of the Maintainability Index means better code maintainability. Maintainability Index is a software metric that indicates how maintainable (easy to support and change) the source code is. Visual Studio provides following the list of the metrics to help you better understand your code: It’s a good practice to use code metrics to validate code it will not only improve code quality but also make your application maintainable and less complex. Developers also can download the extension and install it in Visual Studio. Code metrics are available with the VS Community, Premium, and Ultimate editions. These metrics also provide developers better insight into the code they have written by understanding the types of classes/methods/modules that should be reworked and thoroughly tested, identify potential risks, current state of code, track progress of development, and so forth. Visual Studio 2017 code metrics is a set of important software tools for measuring the quality, code maintainability, and complexity of code written by a developer.

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