30 December 2024

Depth of inheritance

Depth of inheritance definition

  • It is a code quality metric.
  • Depth of Inheritance is Code Metric which checks the Code Health.

Depth of Inheritance purpose

  • The deeper the depth of inheritance, the more potential there is for causing breaking changes in the code when modifying a base class.

Depth of Inheritance practice

  • Depth of Inheritance indicates the number of different classes that inherit from one another, all the way back to the base class.
  • Depth of Inheritance is similar to class coupling in that a change in a base class can affect any of its inherited classes.
    • Depth of Inheritance is similar to class coupling however the difference is that in Depth of Inheritance, a base class can affect any of its inherited classes.
  • Depth of Inheritance implies the maximum length from the node to the root of a code tree.
    • A low number for depth implies less complexity but also the possibility of less code reuse through inheritance.
    • In addition, a high number for depth implies more potential for code reuse through inheritance but also higher complexity with a higher probability of errors in the code.

Scrum and Metrics

The Scrum framework

More informations for the Scrum PSD certification here.

Updated : 01/10/2021

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