Clean Code with Java examples

What You'll Learn

• Understand how to write clean code that is easy to read and maintain.


• Learn the importance of small functions and why they improve code readability.


• Discover how to name variables, functions, and classes for clarity and purpose.


• Learn about function parameters: how many parameters a function should have.


• Understand how to handle boolean, nullable, and return parameters effectively.


• Explore how clean code principles impact the MVC (Model-View-Controller) architecture.


• Master the art of beautifying predicates to improve readability.


• Understand why comments are often unnecessary and when they might be acceptable.


• Learn the key differences between an OOP object and a Data Structure Object.


• Know which exceptions to use and how to manage them effectively.


• Understand the principle of composition over inheritance in object-oriented design.


• Identify the symptoms of bad code and how to avoid them.


• Learn about state in programming and why it's important.


• Understand why your code should have low coupling and high cohesion.


• Master techniques to avoid spaghetti code and improve your code’s structure.


• Learn principles such as Command and Query Separation, Tell Don't Ask, and The Law of Demeter.


• Understand the Test Pyramid and Test-Driven Development (TDD).


• Understand why over-engineering is not a solution to bad code.

Requirements

• You need basic knowledge of programming, using a language like Java, PHP, Python, or C#.

Course Description

This course provides you with valuable, practical principles of clean code, specifically using Java examples. Whether you’re just starting or already have some coding experience, you will learn how to avoid common pitfalls and write code that is readable, efficient, and easy to maintain.

We dive deep into key topics like small functions, naming conventions, handling parameters, and avoiding unnecessary comments. Advanced topics such as composition over inheritance and the importance of state will also be covered, ensuring you have a comprehensive understanding of clean code practices.

In this course, you'll learn how to apply these principles to your daily programming tasks, improving the quality of your code without the need for excessive theory. There are also some fun memes included to keep things light and enjoyable!

By the end of this course, you’ll be equipped with the clean code skills necessary to write maintainable, high-quality software that stands the test of time.

Who This Course is For

This course is perfect for:

• Starter developers looking to learn clean code practices for writing maintainable applications.


• Intermediate developers aiming to improve their clean code skills.


• Senior developers who want to refine their clean code mastery and enhance their understanding of programming principles.