CLEAN CODE QUIZ

What do we mean by technical debt?

• Loans which were taken by software companies for the establishment

• More reworks in code resulted by short cuts done to complete the things fast

• Bugs in code resulted from the complexity of the requirement

• Change requests come through customers due to missing requirements

• Number of unit tests written in code to identify all possible code paths

Select the classes named right (Multiple answers are possible).

• My Customer

• User and Customer

• Parent Product

• Product

• Special

What do we mean by cohesion of a class?

• Class is too lengthy

•   Class has too many comments

• Class performs multiple actions that are not related

• Class performs actions related to one object and instance variables are shared among most of the methods

• Class has a lot of variables and they are not shared by many methods

What is an example of violating the Single Responsibility Principle for a method?

• SaveCustomer method saves the customer into the database

• SendEmail method sends a mail to the customer

• DeleteCustomer method shows a warning and gets the confirmation whether the deletion to proceed

• SaveCustomer method writes a log entry to a text file a new customer was saved

• UpdateCustomer shows a message to the user a record was updated

What are the correct usages of comments? (multiple answers possible)

• Add comments to just the code changes.

• Add comments on top of class describing what the class does.

• To document classes and variables.

• As means of documenting classes.

• As means of indicating missing functionality.

What is zombie code?

• Code that does nothing

• Code that is commented

• Code that generate unusable outputs

• Code that generate noise.

• Code that is unusable

What is the acronym “F.I.R.S.T.” stand for in test driven development?

• First, Interdependent, Reliable, Self-Testable, Testable

• Fast, Independent, Reliable, Self-Driven, Timely

• Fast, Independent, Repeatable, Self-Validating, Timely

• First, Independent, Repeatable, Self-Validating, Timely