17. Event-Driven Programming
Event-Driven Programming (EDP) transforms the interaction model of software applications, shifting from traditional procedural structure to responsiveness dictated by user actions and external events. This paradigm underlies various modern applications, such as GUIs and web platforms, facilitating non-linear programming and event management. Understanding EDP enhances developers' ability to create modular, scalable, and interactive systems that cater to real-time needs.
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What we have learnt
- Event-Driven Programming allows programs to respond dynamically to user inputs and events.
- Key components include events, event handlers, event listeners, and the event loop.
- Challenges such as callback hell and state management require careful consideration.
Key Concepts
- -- Event
- An action or occurrence that the software recognizes and responds to, such as a mouse click or a key press.
- -- Event Handler
- A function or method that is executed in response to an event occurring.
- -- Event Loop
- A fundamental part of event-driven systems that continually checks for and handles events as they occur.
- -- Event Listener
- A method or object that listens for and responds to specific events.
- -- Event Source
- The object that generates events, such as a GUI component like a button.
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