Clean code #3 - Writing better Functions
In this episode, we continue with the series on clean code by Robert C. Martin and dive into Chapter 3: Functions. We'll explore the importance of small and concise functions, the one thing rule, and the step-down rule. Additionally, we'll discuss switch statements and the ideal number of arguments for a function. We'll also touch upon the concept of side effects and the DRY principle.
We'll begin by examining real-world examples from the Android Open Source Project, including NotificationManagerService and ActivityManagerService, to showcase how to create separate functions for audio playback and improve readability by eliminating switch statements. We'll also discuss how to name functions descriptively and handle function arguments, including the common monadic, dyadic and triadic forms. We'll conclude by explaining how to adhere to the DRY principle and optimize for readability in any object-oriented language.
This video is perfect for anyone looking to learn about best practices for writing functions in Java or any other object-oriented language. Check out the previous two episodes in the series for more tips on writing clean code.
Links:
Episode #1: • Clean Code #1 - What is Clean Code?
Episode #2: • Clean Code #2 - Meaningful names
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