Method-level code smells are problems within the method itself. Methods are the work-horses that either make software function well or poorly. They should be well organized and do only what they are expected to do—no more and no less. It is important to know the kinds of problems and issues that can arise because of poorly constructed methods. We will address what to look out for in terms of method-level code smells, and what we can do to address them. We'll start with the black sheep method first.
The black sheep method
Out of all the methods in the class, a black sheep method will be noticeably different. When you encounter a black sheep method, you must consider the method objectively. What is its name? What is the method's intent? When you have answered these questions, then you can decide to remove the method and place it where it truly belongs.
Cyclomatic complexity
When a method has too many loops and...
