What does code smell mean in checkstyle?
Checkstyle is a well-known static code analysis tool, it can detect 4 code smells: Large Class, Long Method, Long Parameter List and Duplicated Code. Meanwhile the user of Checkstyle can operate XML file to modify parameters to detect code smell.
What are the different types of code smells for testing a specific programming code?
Code Smells Within Classes
- Comments: Yes, Comments are code smells too.
- Long Method: A long method contains too many lines of code.
- Long Parameter List: Any function with more parameters is obviously more complex.
- Large Classes: A class contains many methods/lines of code/fields is considered a code smell.
What is a code smell example?
For example: Comments, Duplicate Code, Lazy Class, Data Class, Dead Code, Speculative Generality. All the smells in this group contribute to excessive coupling between classes or show what happens if coupling is replaced by excessive delegation.
What does code smell mean?
A code smell is a surface indication that usually corresponds to a deeper problem in the system. The term was first coined by Kent Beck while helping me with my Refactoring book.
What is code smell in software engineering?
From Wikipedia, the free encyclopedia. In computer programming, a code smell is any characteristic in the source code of a program that possibly indicates a deeper problem. Determining what is and is not a code smell is subjective, and varies by language, developer, and development methodology.
What is code smell in SonarQube example?
SonarQube version 5.5 introduces the concept of Code Smell. According to Wikipedia and Robert C. Martin “Code smell, also known as bad smell, in computer programming code, refers to any symptom in the source code of a program that possibly indicates a deeper problem. (…)
What is the difference between the code smells called divergent change and shotgun surgery?
Divergent Change is when many changes are made to a single class. Shotgun Surgery refers to when a single change is made to multiple classes simultaneously.
What is a code smell in Sonar?
Martin “Code smell, also known as bad smell, in computer programming code, refers to any symptom in the source code of a program that possibly indicates a deeper problem. Code smells are usually not bugs—they are not technically incorrect and do not currently prevent the program from functioning.
What is message chain?
A message chain occurs when a client requests another object, that object requests yet another one, and so on. These chains mean that the client is dependent on navigation along the class structure.
What is middle man code smell?
Middle Man code smells come under a category called ‘Couplers’. In our last article, we understood about couplers with the smell of Inappropriate Intimacy. and Feature envy which talks about class relationships and features/functions/method coupling etc. Today in this session we will talk about the encapsulation of delegates.
What is the problem with a message chain?
Reasons for the Problem. A message chain occurs when a client requests another object, that object requests yet another one, and so on. These chains mean that the client is dependent on navigation along the class structure. Any changes in these relationships require modifying the client.
Why do we not pass message chains as method parameters?
So why not passing them as a method parameters. Message chains is the code smell when you have a class that uses another class which uses another class and so on. In the following image, you can see the following chain, Employee->EmployeeConfig->Config
What is a message chain in Java?
A message chain occurs when a client requests another object, that object requests yet another one, and so on. These chains mean that the client is dependent on navigation along the class structure.