Clean Code Series - Code Smell | Bad Code | Simple Programming

YouTube Excerpt: Welcome to Simple Programming Comments Are comments necessary? Why? What? Comments are for people not for machines Think about refactoring the code so that comments are not needed Long Method Try avoiding longer methods. Short methods are easier to read and understand for a developer who looks at the code Ideal lines of code - 20 Methods with 5 lines of code, indicate that you are breaking up the code too much, making it harder to understand Too Many Parameters Avoid to many parameters in the method signature. Ideal number of parameters (as per checkstyle static code analyzer) - 7 Keeping it less than 5 makes it easy to read and understand Type Embedded in Name Avoid embedding types to the variable names. Some Bad Examples listOfStudents; mapOfStudents String sStudent; int iAmount; Inconsistent Names Many developers have trouble with naming the methods or variables with an efficient name. Examples Use lower case for packages Use camel case of variables and method names Avoid using ‘_’ Dead Code Unused code? Or commented code? Delete is before you push to repository Temporary Fields Avoid using too many temporary fields in the code. If your class has too many temporary fields - time to refactor the code Refused Bequest A derived class does not honor the contract of the base class. Example - Liskov’s Substitution Principle Middle Man If you have a class or method that just delegates the input to another class. It is time to remove that class or method and call the endpoint directly Solution Sprawl If you have too many classes to perform a solution, you might have solution sprawl. Time to refactor the code

Welcome to Simple Programming Comments Are comments necessary? Why? What? Comments are for people not for machines Think about refactoring the...

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