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CodeSignal

Clean Code with Traits and Multiple Classes

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Overview

Explore principles for maintaining clean code with traits and multiple classes in Scala 3. Learn about class collaboration, interfacing with traits, managing dependencies, practicing polymorphism, and handling exceptions across traits and classes.

Syllabus

  • Unit 1: Class Collaboration and Coupling
    • Refactoring Feature Envy in Class Collaboration with Scala
    • Refactoring Message Chains in Scala
    • Middle Man Code Smell Refactoring
  • Unit 2: Leveraging Traits and Abstract Classes in Clean Code
    • Implementing Flexible Payment System Using Traits
    • Streamlining Payment Processing with Traits
    • Refactor Document Processing with Abstract Classes in Scala
  • Unit 3: Managing Dependencies in Scala for Clean, Modular Code
    • Managing Class Dependencies in Scala
    • Refactoring Class Dependencies with Traits in Scala
    • Implementing the Factory Pattern in Scala
  • Unit 4: Polymorphism in Practice with Scala
    • Implementing Polymorphism in Scala Using Traits
    • Polymorphism with Traits in Scala
  • Unit 5: Introduction to Exception Handling in Scala
    • Handling Exceptions Across Classes in a Banking Application
    • Refactoring Checked Exceptions to Unchecked Exceptions in Library Management System

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