High Quality Content by WIKIPEDIA articles! In computer programming, event-driven programming or event- based programming is a programming paradigm in which the flow of the program is determined by events i.e., sensor outputs or user actions (mouse clicks, key presses) or messages from other programs or threads.Event-driven programming can also be defined as an application architecture technique in which the application has a main loop which is clearly divided down to two sections: the first is event selection (or event detection), and the second is event handling. In embedded systems the same may be achieved using interrupts instead of a constantly running main loop; in that case the former portion of the architecture resides completely in hardware.Event-driven programs can be written in any language, although the task is easier in languages that provide high-level abstractions, such as closures. Some integrated development environments provide code generation assistants that automate the most repetitive tasks required for event handling.
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