Clean Code with Multiple Classes

Explore principles for maintaining clean code with multiple classes. Learn about class collaboration, interfacing, abstract classes, managing dependencies, practicing polymorphism, and handling exceptions across classes.

Lessons and practices

Lesson 1: Class Collaboration and Coupling

Refactor Responsibilities for Bonus Calculation

Simplify Chained Method Calls

Eliminate the Middle Man Code Smell

Lesson 2: Interfaces and Abstract Classes in Clean Code

Interfaces for Flexible Payment Solutions

Refactor Payment Processing with Interfaces

Harnessing Abstract Classes for Flexibility

Lesson 3: Dependency Management between Classes

Decoupling Car and Engine Classes

Decoupling for Flexible Notifications

Decouple Using the Factory Pattern

Lesson 4: Polymorphism in Practice

Polymorphism in Animal Feeding Task

Mastering Polymorphism with Animal Behaviors

Lesson 5: Handling Exceptions Across Classes

Refactor Exception Handling in Java

Refactor Exception Handling with Unchecked Exceptions

Interested in this course? Learn and practice with Cosmo!

Practice is how you turn knowledge into actual skills.