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What does "controller" mean in programming?
controller is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
A class or module responsible for handling incoming requests, calling the appropriate service or business logic, and returning a response. Controllers sit between the routing layer and the service layer.
Example
"The UserController handles all requests to /api/users and delegates to the UserService."
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