What is the difference between coupling and cohesion in software design?

What is the difference between coupling and cohesion in software design?

Coupling refers to how closely connected different modules or components are, while cohesion measures how closely related the functions within a single module are.

Can you give me examples of high and low coupling?

High coupling occurs when modules depend heavily on each other, like a tightly integrated system. Low coupling is when modules are independent, such as microservices that communicate through APIs.

Why is low coupling and high cohesion important?

Low coupling and high cohesion lead to more maintainable, flexible, and reusable code, making it easier to manage changes and understand the system.

How can I achieve high cohesion in my software design?

To achieve high cohesion, ensure that each module or class has a single responsibility and that its functions are closely related to that responsibility.

Are there any tools to measure coupling and cohesion?

Yes, there are several tools like SonarQube and NDepend that can analyze your codebase for coupling and cohesion metrics.